./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.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_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 6d2a5db81174f97af5617a328e4f08c7a29d4a33d2f456761417e8dc5d1b805e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:18:48,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:18:48,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:18:48,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:18:48,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:18:48,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:18:48,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:18:48,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:18:48,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:18:48,489 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:18:48,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:18:48,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:18:48,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:18:48,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:18:48,489 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:18:48,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:18:48,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:18:48,491 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:18:48,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:18:48,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:18:48,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:18:48,492 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:18:48,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:18:48,493 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_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 -> 6d2a5db81174f97af5617a328e4f08c7a29d4a33d2f456761417e8dc5d1b805e [2024-12-02 12:18:48,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:18:48,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:18:48,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:18:48,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:18:48,748 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:18:48,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2024-12-02 12:18:51,405 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data/f10cf0c94/f140d733c2224f7695c121955019839f/FLAGecc522428 [2024-12-02 12:18:51,629 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:18:51,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2024-12-02 12:18:51,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data/f10cf0c94/f140d733c2224f7695c121955019839f/FLAGecc522428 [2024-12-02 12:18:51,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data/f10cf0c94/f140d733c2224f7695c121955019839f [2024-12-02 12:18:51,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:18:51,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:18:51,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:18:51,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:18:51,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:18:51,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:51,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2a80b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51, skipping insertion in model container [2024-12-02 12:18:51,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:51,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:18:51,832 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_14ffcecd-52f0-486f-b1a4-440577ddddb1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i[919,932] [2024-12-02 12:18:51,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:18:51,920 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:18:51,928 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_14ffcecd-52f0-486f-b1a4-440577ddddb1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i[919,932] [2024-12-02 12:18:51,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:18:51,978 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:18:51,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51 WrapperNode [2024-12-02 12:18:51,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:18:51,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:18:51,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:18:51,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:18:51,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:51,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,027 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2024-12-02 12:18:52,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:18:52,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:18:52,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:18:52,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:18:52,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,038 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,056 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:18:52,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,066 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:18:52,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:18:52,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:18:52,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:18:52,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (1/1) ... [2024-12-02 12:18:52,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:18:52,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:18:52,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:18:52,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:18:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:18:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:18:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:18:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:18:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:18:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:18:52,225 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:18:52,227 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:18:52,641 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-02 12:18:52,641 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:18:52,652 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:18:52,652 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:18:52,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:18:52 BoogieIcfgContainer [2024-12-02 12:18:52,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:18:52,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:18:52,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:18:52,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:18:52,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:18:51" (1/3) ... [2024-12-02 12:18:52,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e25f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:18:52, skipping insertion in model container [2024-12-02 12:18:52,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:18:51" (2/3) ... [2024-12-02 12:18:52,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e25f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:18:52, skipping insertion in model container [2024-12-02 12:18:52,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:18:52" (3/3) ... [2024-12-02 12:18:52,671 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2024-12-02 12:18:52,684 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:18:52,687 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i that has 2 procedures, 99 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:18:52,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:18:52,749 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;@3073f0a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:18:52,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:18:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:18:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 12:18:52,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:52,765 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:52,765 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:52,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:52,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1779676502, now seen corresponding path program 1 times [2024-12-02 12:18:52,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:52,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194111045] [2024-12-02 12:18:52,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:52,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 12:18:53,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:53,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194111045] [2024-12-02 12:18:53,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194111045] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:18:53,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969648240] [2024-12-02 12:18:53,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:53,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:18:53,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:18:53,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:18:53,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:18:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:53,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:18:53,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:18:53,265 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-12-02 12:18:53,265 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:18:53,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969648240] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:53,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:18:53,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:18:53,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241101324] [2024-12-02 12:18:53,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:53,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:18:53,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:53,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:18:53,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:18:53,294 INFO L87 Difference]: Start difference. First operand has 99 states, 74 states have (on average 1.472972972972973) internal successors, (109), 75 states have internal predecessors, (109), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 12:18:53,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:53,323 INFO L93 Difference]: Finished difference Result 188 states and 317 transitions. [2024-12-02 12:18:53,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:18:53,324 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 159 [2024-12-02 12:18:53,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:53,329 INFO L225 Difference]: With dead ends: 188 [2024-12-02 12:18:53,329 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 12:18:53,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 12:18:53,335 INFO L435 NwaCegarLoop]: 139 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, 139 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 12:18:53,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:18:53,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 12:18:53,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 12:18:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:18:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 139 transitions. [2024-12-02 12:18:53,369 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 139 transitions. Word has length 159 [2024-12-02 12:18:53,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:53,369 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 139 transitions. [2024-12-02 12:18:53,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 12:18:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2024-12-02 12:18:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 12:18:53,372 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:53,372 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:53,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:18:53,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:18:53,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:53,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:53,573 INFO L85 PathProgramCache]: Analyzing trace with hash -797181898, now seen corresponding path program 1 times [2024-12-02 12:18:53,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:53,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151166981] [2024-12-02 12:18:53,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:53,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:53,814 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:18:53,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:53,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151166981] [2024-12-02 12:18:53,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151166981] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:53,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:53,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:18:53,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134841464] [2024-12-02 12:18:53,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:53,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:18:53,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:53,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:18:53,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:18:53,817 INFO L87 Difference]: Start difference. First operand 92 states and 139 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:53,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:53,880 INFO L93 Difference]: Finished difference Result 226 states and 343 transitions. [2024-12-02 12:18:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:18:53,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2024-12-02 12:18:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:53,883 INFO L225 Difference]: With dead ends: 226 [2024-12-02 12:18:53,883 INFO L226 Difference]: Without dead ends: 137 [2024-12-02 12:18:53,884 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 12:18:53,884 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 66 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:53,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 258 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:18:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-12-02 12:18:53,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2024-12-02 12:18:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 81 states have (on average 1.4074074074074074) internal successors, (114), 81 states have internal predecessors, (114), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:18:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 158 transitions. [2024-12-02 12:18:53,897 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 158 transitions. Word has length 159 [2024-12-02 12:18:53,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:53,898 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 158 transitions. [2024-12-02 12:18:53,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2024-12-02 12:18:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 12:18:53,901 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:53,901 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:53,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:18:53,902 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:53,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:53,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1126046136, now seen corresponding path program 1 times [2024-12-02 12:18:53,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:53,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237095726] [2024-12-02 12:18:53,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:53,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:18:54,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:54,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237095726] [2024-12-02 12:18:54,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237095726] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:54,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:54,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:18:54,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236472018] [2024-12-02 12:18:54,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:54,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:18:54,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:54,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:18:54,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:18:54,420 INFO L87 Difference]: Start difference. First operand 105 states and 158 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:54,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:54,583 INFO L93 Difference]: Finished difference Result 272 states and 407 transitions. [2024-12-02 12:18:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:18:54,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2024-12-02 12:18:54,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:54,586 INFO L225 Difference]: With dead ends: 272 [2024-12-02 12:18:54,586 INFO L226 Difference]: Without dead ends: 170 [2024-12-02 12:18:54,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:18:54,588 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 205 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:54,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 228 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:18:54,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-12-02 12:18:54,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 109. [2024-12-02 12:18:54,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:18:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 160 transitions. [2024-12-02 12:18:54,607 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 160 transitions. Word has length 159 [2024-12-02 12:18:54,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:54,608 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 160 transitions. [2024-12-02 12:18:54,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2024-12-02 12:18:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 12:18:54,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:54,610 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:54,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:18:54,611 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:54,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:54,611 INFO L85 PathProgramCache]: Analyzing trace with hash -153817542, now seen corresponding path program 1 times [2024-12-02 12:18:54,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:54,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464669952] [2024-12-02 12:18:54,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:54,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:18:55,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:55,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464669952] [2024-12-02 12:18:55,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464669952] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:55,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:55,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:18:55,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531076048] [2024-12-02 12:18:55,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:55,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:18:55,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:55,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:18:55,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:18:55,870 INFO L87 Difference]: Start difference. First operand 109 states and 160 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:56,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:56,319 INFO L93 Difference]: Finished difference Result 373 states and 542 transitions. [2024-12-02 12:18:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:18:56,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2024-12-02 12:18:56,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:56,322 INFO L225 Difference]: With dead ends: 373 [2024-12-02 12:18:56,322 INFO L226 Difference]: Without dead ends: 267 [2024-12-02 12:18:56,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:18:56,324 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 202 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:56,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 691 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:18:56,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-12-02 12:18:56,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 191. [2024-12-02 12:18:56,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 163 states have (on average 1.4539877300613497) internal successors, (237), 164 states have internal predecessors, (237), 24 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 12:18:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 285 transitions. [2024-12-02 12:18:56,345 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 285 transitions. Word has length 159 [2024-12-02 12:18:56,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:56,346 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 285 transitions. [2024-12-02 12:18:56,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2024-12-02 12:18:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 12:18:56,348 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:56,349 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:56,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:18:56,349 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:56,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:56,350 INFO L85 PathProgramCache]: Analyzing trace with hash -287831048, now seen corresponding path program 1 times [2024-12-02 12:18:56,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:56,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223310184] [2024-12-02 12:18:56,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:56,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:18:56,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:56,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223310184] [2024-12-02 12:18:56,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223310184] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:56,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:56,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:18:56,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263997931] [2024-12-02 12:18:56,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:56,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:18:56,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:56,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:18:56,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:18:56,803 INFO L87 Difference]: Start difference. First operand 191 states and 285 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:57,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:57,255 INFO L93 Difference]: Finished difference Result 580 states and 859 transitions. [2024-12-02 12:18:57,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:18:57,256 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2024-12-02 12:18:57,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:57,261 INFO L225 Difference]: With dead ends: 580 [2024-12-02 12:18:57,261 INFO L226 Difference]: Without dead ends: 392 [2024-12-02 12:18:57,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:18:57,262 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 293 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:57,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 524 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:18:57,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-12-02 12:18:57,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 273. [2024-12-02 12:18:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 239 states have (on average 1.4518828451882846) internal successors, (347), 241 states have internal predecessors, (347), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:18:57,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 403 transitions. [2024-12-02 12:18:57,293 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 403 transitions. Word has length 159 [2024-12-02 12:18:57,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:57,294 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 403 transitions. [2024-12-02 12:18:57,294 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 403 transitions. [2024-12-02 12:18:57,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:18:57,296 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:57,296 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:57,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:18:57,296 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:57,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1171311360, now seen corresponding path program 1 times [2024-12-02 12:18:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:57,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480438190] [2024-12-02 12:18:57,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:57,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:18:57,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:57,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480438190] [2024-12-02 12:18:57,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480438190] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:57,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:57,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:18:57,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914944183] [2024-12-02 12:18:57,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:57,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:18:57,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:57,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:18:57,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:18:57,901 INFO L87 Difference]: Start difference. First operand 273 states and 403 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:58,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:58,376 INFO L93 Difference]: Finished difference Result 668 states and 987 transitions. [2024-12-02 12:18:58,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:18:58,377 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 160 [2024-12-02 12:18:58,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:58,380 INFO L225 Difference]: With dead ends: 668 [2024-12-02 12:18:58,380 INFO L226 Difference]: Without dead ends: 413 [2024-12-02 12:18:58,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:18:58,382 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 106 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:58,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1296 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:18:58,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-12-02 12:18:58,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 324. [2024-12-02 12:18:58,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 290 states have (on average 1.4620689655172414) internal successors, (424), 292 states have internal predecessors, (424), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:18:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 480 transitions. [2024-12-02 12:18:58,418 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 480 transitions. Word has length 160 [2024-12-02 12:18:58,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:58,418 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 480 transitions. [2024-12-02 12:18:58,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:58,418 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 480 transitions. [2024-12-02 12:18:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 12:18:58,421 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:58,421 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:58,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:18:58,421 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:58,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:58,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1095405207, now seen corresponding path program 1 times [2024-12-02 12:18:58,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:58,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587515320] [2024-12-02 12:18:58,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:58,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:18:58,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:58,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587515320] [2024-12-02 12:18:58,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587515320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:58,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:58,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:18:58,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752111740] [2024-12-02 12:18:58,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:58,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:18:58,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:58,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:18:58,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:18:58,804 INFO L87 Difference]: Start difference. First operand 324 states and 480 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:59,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:18:59,188 INFO L93 Difference]: Finished difference Result 764 states and 1131 transitions. [2024-12-02 12:18:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:18:59,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 12:18:59,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:18:59,194 INFO L225 Difference]: With dead ends: 764 [2024-12-02 12:18:59,194 INFO L226 Difference]: Without dead ends: 458 [2024-12-02 12:18:59,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:18:59,195 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 97 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:18:59,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 750 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:18:59,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-12-02 12:18:59,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 381. [2024-12-02 12:18:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 347 states have (on average 1.4726224783861672) internal successors, (511), 349 states have internal predecessors, (511), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:18:59,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 567 transitions. [2024-12-02 12:18:59,228 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 567 transitions. Word has length 161 [2024-12-02 12:18:59,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:18:59,228 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 567 transitions. [2024-12-02 12:18:59,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:18:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 567 transitions. [2024-12-02 12:18:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 12:18:59,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:18:59,231 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:18:59,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:18:59,231 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:18:59,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:18:59,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1364441673, now seen corresponding path program 1 times [2024-12-02 12:18:59,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:18:59,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482132660] [2024-12-02 12:18:59,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:18:59,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:18:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:18:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:18:59,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:18:59,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482132660] [2024-12-02 12:18:59,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482132660] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:18:59,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:18:59,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:18:59,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152578624] [2024-12-02 12:18:59,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:18:59,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:18:59,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:18:59,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:18:59,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:18:59,768 INFO L87 Difference]: Start difference. First operand 381 states and 567 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:00,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:00,196 INFO L93 Difference]: Finished difference Result 1082 states and 1595 transitions. [2024-12-02 12:19:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:19:00,197 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 12:19:00,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:00,200 INFO L225 Difference]: With dead ends: 1082 [2024-12-02 12:19:00,201 INFO L226 Difference]: Without dead ends: 719 [2024-12-02 12:19:00,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:19:00,202 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 146 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:00,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 744 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:19:00,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-12-02 12:19:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 418. [2024-12-02 12:19:00,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 384 states have (on average 1.4739583333333333) internal successors, (566), 386 states have internal predecessors, (566), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 622 transitions. [2024-12-02 12:19:00,245 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 622 transitions. Word has length 161 [2024-12-02 12:19:00,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:00,246 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 622 transitions. [2024-12-02 12:19:00,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:00,246 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 622 transitions. [2024-12-02 12:19:00,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 12:19:00,249 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:00,249 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:00,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:19:00,249 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:00,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:00,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1944391801, now seen corresponding path program 1 times [2024-12-02 12:19:00,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:00,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132739482] [2024-12-02 12:19:00,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:00,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:00,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:00,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132739482] [2024-12-02 12:19:00,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132739482] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:00,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:00,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:00,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964440188] [2024-12-02 12:19:00,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:00,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:00,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:00,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:00,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:00,336 INFO L87 Difference]: Start difference. First operand 418 states and 622 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:00,390 INFO L93 Difference]: Finished difference Result 982 states and 1465 transitions. [2024-12-02 12:19:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:00,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 161 [2024-12-02 12:19:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:00,393 INFO L225 Difference]: With dead ends: 982 [2024-12-02 12:19:00,394 INFO L226 Difference]: Without dead ends: 582 [2024-12-02 12:19:00,395 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 12:19:00,395 INFO L435 NwaCegarLoop]: 194 mSDtfsCounter, 55 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:00,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 317 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:19:00,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-12-02 12:19:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 418. [2024-12-02 12:19:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 384 states have (on average 1.4296875) internal successors, (549), 386 states have internal predecessors, (549), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 605 transitions. [2024-12-02 12:19:00,430 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 605 transitions. Word has length 161 [2024-12-02 12:19:00,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:00,430 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 605 transitions. [2024-12-02 12:19:00,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:00,430 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 605 transitions. [2024-12-02 12:19:00,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 12:19:00,433 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:00,433 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:00,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:19:00,433 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:00,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:00,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1723464490, now seen corresponding path program 1 times [2024-12-02 12:19:00,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:00,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904486954] [2024-12-02 12:19:00,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:00,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:01,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:01,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904486954] [2024-12-02 12:19:01,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904486954] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:01,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:01,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 12:19:01,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708373982] [2024-12-02 12:19:01,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:01,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:19:01,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:01,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:19:01,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:19:01,241 INFO L87 Difference]: Start difference. First operand 418 states and 605 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:01,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:01,867 INFO L93 Difference]: Finished difference Result 1097 states and 1589 transitions. [2024-12-02 12:19:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 12:19:01,868 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 12:19:01,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:01,872 INFO L225 Difference]: With dead ends: 1097 [2024-12-02 12:19:01,872 INFO L226 Difference]: Without dead ends: 697 [2024-12-02 12:19:01,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:19:01,874 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 313 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:01,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1439 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:19:01,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-12-02 12:19:01,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 461. [2024-12-02 12:19:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 427 states have (on average 1.4285714285714286) internal successors, (610), 429 states have internal predecessors, (610), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 666 transitions. [2024-12-02 12:19:01,914 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 666 transitions. Word has length 162 [2024-12-02 12:19:01,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:01,914 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 666 transitions. [2024-12-02 12:19:01,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 666 transitions. [2024-12-02 12:19:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 12:19:01,917 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:01,917 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:01,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:19:01,917 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:01,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash 16178247, now seen corresponding path program 1 times [2024-12-02 12:19:01,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:01,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928263925] [2024-12-02 12:19:01,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:01,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:02,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:02,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928263925] [2024-12-02 12:19:02,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928263925] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:02,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:02,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:02,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830512116] [2024-12-02 12:19:02,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:02,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:02,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:02,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:02,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:02,004 INFO L87 Difference]: Start difference. First operand 461 states and 666 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:02,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:02,087 INFO L93 Difference]: Finished difference Result 1186 states and 1722 transitions. [2024-12-02 12:19:02,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:02,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 12:19:02,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:02,092 INFO L225 Difference]: With dead ends: 1186 [2024-12-02 12:19:02,092 INFO L226 Difference]: Without dead ends: 743 [2024-12-02 12:19:02,093 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 12:19:02,094 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 109 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:02,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 292 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:19:02,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-12-02 12:19:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 570. [2024-12-02 12:19:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 536 states have (on average 1.4291044776119404) internal successors, (766), 538 states have internal predecessors, (766), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 822 transitions. [2024-12-02 12:19:02,136 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 822 transitions. Word has length 162 [2024-12-02 12:19:02,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:02,136 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 822 transitions. [2024-12-02 12:19:02,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 822 transitions. [2024-12-02 12:19:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 12:19:02,139 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:02,139 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:02,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:19:02,139 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:02,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:02,140 INFO L85 PathProgramCache]: Analyzing trace with hash 868051069, now seen corresponding path program 1 times [2024-12-02 12:19:02,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:02,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448644576] [2024-12-02 12:19:02,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:02,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:02,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:02,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448644576] [2024-12-02 12:19:02,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448644576] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:02,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:02,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:02,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165511833] [2024-12-02 12:19:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:02,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:02,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:02,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:02,252 INFO L87 Difference]: Start difference. First operand 570 states and 822 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:02,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:02,344 INFO L93 Difference]: Finished difference Result 1242 states and 1791 transitions. [2024-12-02 12:19:02,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:02,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 12:19:02,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:02,348 INFO L225 Difference]: With dead ends: 1242 [2024-12-02 12:19:02,348 INFO L226 Difference]: Without dead ends: 690 [2024-12-02 12:19:02,349 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 12:19:02,350 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 105 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:02,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 258 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:19:02,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-12-02 12:19:02,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 548. [2024-12-02 12:19:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 514 states have (on average 1.4319066147859922) internal successors, (736), 516 states have internal predecessors, (736), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 792 transitions. [2024-12-02 12:19:02,393 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 792 transitions. Word has length 162 [2024-12-02 12:19:02,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:02,393 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 792 transitions. [2024-12-02 12:19:02,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 792 transitions. [2024-12-02 12:19:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 12:19:02,396 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:02,396 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:02,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:19:02,396 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:02,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:02,397 INFO L85 PathProgramCache]: Analyzing trace with hash -897237029, now seen corresponding path program 1 times [2024-12-02 12:19:02,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:02,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830470668] [2024-12-02 12:19:02,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:02,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:02,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:02,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830470668] [2024-12-02 12:19:02,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830470668] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:02,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:02,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:02,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966689243] [2024-12-02 12:19:02,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:02,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:02,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:02,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:02,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:02,479 INFO L87 Difference]: Start difference. First operand 548 states and 792 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:02,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:02,563 INFO L93 Difference]: Finished difference Result 1361 states and 1964 transitions. [2024-12-02 12:19:02,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:02,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 12:19:02,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:02,568 INFO L225 Difference]: With dead ends: 1361 [2024-12-02 12:19:02,568 INFO L226 Difference]: Without dead ends: 831 [2024-12-02 12:19:02,569 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 12:19:02,569 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 112 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:02,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 290 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:19:02,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2024-12-02 12:19:02,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 752. [2024-12-02 12:19:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 718 states have (on average 1.434540389972145) internal successors, (1030), 720 states have internal predecessors, (1030), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1086 transitions. [2024-12-02 12:19:02,613 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1086 transitions. Word has length 162 [2024-12-02 12:19:02,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:02,613 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 1086 transitions. [2024-12-02 12:19:02,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:02,614 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1086 transitions. [2024-12-02 12:19:02,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 12:19:02,616 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:02,617 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:02,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:19:02,617 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:02,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:02,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1463121341, now seen corresponding path program 1 times [2024-12-02 12:19:02,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:02,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937037839] [2024-12-02 12:19:02,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:02,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:02,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:02,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937037839] [2024-12-02 12:19:02,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937037839] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:02,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:02,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:02,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351628734] [2024-12-02 12:19:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:02,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:02,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:02,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:02,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:02,717 INFO L87 Difference]: Start difference. First operand 752 states and 1086 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:02,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:02,817 INFO L93 Difference]: Finished difference Result 1567 states and 2258 transitions. [2024-12-02 12:19:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:02,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 12:19:02,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:02,823 INFO L225 Difference]: With dead ends: 1567 [2024-12-02 12:19:02,823 INFO L226 Difference]: Without dead ends: 833 [2024-12-02 12:19:02,824 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 12:19:02,825 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 98 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:02,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 355 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:19:02,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-12-02 12:19:02,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 672. [2024-12-02 12:19:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 638 states have (on average 1.4169278996865204) internal successors, (904), 640 states have internal predecessors, (904), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 960 transitions. [2024-12-02 12:19:02,879 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 960 transitions. Word has length 162 [2024-12-02 12:19:02,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:02,880 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 960 transitions. [2024-12-02 12:19:02,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 960 transitions. [2024-12-02 12:19:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 12:19:02,883 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:02,883 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:02,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:19:02,884 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:02,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:02,884 INFO L85 PathProgramCache]: Analyzing trace with hash -611888444, now seen corresponding path program 1 times [2024-12-02 12:19:02,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:02,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112802552] [2024-12-02 12:19:02,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:02,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:03,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:03,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112802552] [2024-12-02 12:19:03,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112802552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:03,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:03,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:19:03,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180121273] [2024-12-02 12:19:03,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:03,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:19:03,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:03,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:19:03,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:19:03,197 INFO L87 Difference]: Start difference. First operand 672 states and 960 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:03,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:03,916 INFO L93 Difference]: Finished difference Result 2063 states and 2979 transitions. [2024-12-02 12:19:03,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:19:03,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 12:19:03,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:03,922 INFO L225 Difference]: With dead ends: 2063 [2024-12-02 12:19:03,922 INFO L226 Difference]: Without dead ends: 1409 [2024-12-02 12:19:03,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:19:03,924 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 473 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:03,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 471 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:19:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2024-12-02 12:19:03,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 738. [2024-12-02 12:19:03,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 704 states have (on average 1.3892045454545454) internal successors, (978), 706 states have internal predecessors, (978), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:03,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 1034 transitions. [2024-12-02 12:19:03,980 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 1034 transitions. Word has length 162 [2024-12-02 12:19:03,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:03,980 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 1034 transitions. [2024-12-02 12:19:03,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1034 transitions. [2024-12-02 12:19:03,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 12:19:03,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:03,983 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:03,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 12:19:03,984 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:03,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:03,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1994135110, now seen corresponding path program 1 times [2024-12-02 12:19:03,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:03,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748943322] [2024-12-02 12:19:03,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:03,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:04,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:04,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748943322] [2024-12-02 12:19:04,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748943322] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:04,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:04,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 12:19:04,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775309287] [2024-12-02 12:19:04,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:04,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:19:04,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:04,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:19:04,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:19:04,568 INFO L87 Difference]: Start difference. First operand 738 states and 1034 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:05,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:05,028 INFO L93 Difference]: Finished difference Result 1733 states and 2426 transitions. [2024-12-02 12:19:05,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:19:05,029 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), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 162 [2024-12-02 12:19:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:05,033 INFO L225 Difference]: With dead ends: 1733 [2024-12-02 12:19:05,033 INFO L226 Difference]: Without dead ends: 1013 [2024-12-02 12:19:05,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:19:05,035 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 186 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:05,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 1300 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:19:05,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2024-12-02 12:19:05,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 695. [2024-12-02 12:19:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 661 states have (on average 1.3872919818456884) internal successors, (917), 663 states have internal predecessors, (917), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 973 transitions. [2024-12-02 12:19:05,089 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 973 transitions. Word has length 162 [2024-12-02 12:19:05,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:05,090 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 973 transitions. [2024-12-02 12:19:05,090 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), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 973 transitions. [2024-12-02 12:19:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 12:19:05,093 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:05,093 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:05,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:19:05,094 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:05,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:05,094 INFO L85 PathProgramCache]: Analyzing trace with hash -131035214, now seen corresponding path program 1 times [2024-12-02 12:19:05,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:05,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900347967] [2024-12-02 12:19:05,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:05,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:06,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:06,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900347967] [2024-12-02 12:19:06,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900347967] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:06,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:06,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 12:19:06,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522145576] [2024-12-02 12:19:06,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:06,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:19:06,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:06,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:19:06,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:19:06,874 INFO L87 Difference]: Start difference. First operand 695 states and 973 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:07,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:07,570 INFO L93 Difference]: Finished difference Result 1714 states and 2402 transitions. [2024-12-02 12:19:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:19:07,570 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 12:19:07,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:07,574 INFO L225 Difference]: With dead ends: 1714 [2024-12-02 12:19:07,574 INFO L226 Difference]: Without dead ends: 1037 [2024-12-02 12:19:07,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:19:07,576 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 267 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:07,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 650 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:19:07,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-12-02 12:19:07,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 703. [2024-12-02 12:19:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 669 states have (on average 1.3841554559043348) internal successors, (926), 671 states have internal predecessors, (926), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 982 transitions. [2024-12-02 12:19:07,625 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 982 transitions. Word has length 163 [2024-12-02 12:19:07,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:07,626 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 982 transitions. [2024-12-02 12:19:07,626 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), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 982 transitions. [2024-12-02 12:19:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 12:19:07,629 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:07,629 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:07,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 12:19:07,629 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:07,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:07,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1070650635, now seen corresponding path program 1 times [2024-12-02 12:19:07,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:07,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919183453] [2024-12-02 12:19:07,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:07,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:07,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:07,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919183453] [2024-12-02 12:19:07,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919183453] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:07,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:07,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:07,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608199604] [2024-12-02 12:19:07,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:07,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:07,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:07,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:07,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:07,693 INFO L87 Difference]: Start difference. First operand 703 states and 982 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:07,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:07,780 INFO L93 Difference]: Finished difference Result 1481 states and 2068 transitions. [2024-12-02 12:19:07,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:07,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 12:19:07,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:07,784 INFO L225 Difference]: With dead ends: 1481 [2024-12-02 12:19:07,784 INFO L226 Difference]: Without dead ends: 796 [2024-12-02 12:19:07,785 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 12:19:07,785 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 103 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:07,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 356 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:19:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-12-02 12:19:07,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 628. [2024-12-02 12:19:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 594 states have (on average 1.361952861952862) internal successors, (809), 596 states have internal predecessors, (809), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 865 transitions. [2024-12-02 12:19:07,829 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 865 transitions. Word has length 163 [2024-12-02 12:19:07,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:07,829 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 865 transitions. [2024-12-02 12:19:07,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 865 transitions. [2024-12-02 12:19:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 12:19:07,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:07,832 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:07,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 12:19:07,833 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:07,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:07,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1838050680, now seen corresponding path program 1 times [2024-12-02 12:19:07,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:07,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299766426] [2024-12-02 12:19:07,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:07,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:08,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:08,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299766426] [2024-12-02 12:19:08,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299766426] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:08,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:08,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:19:08,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406343778] [2024-12-02 12:19:08,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:08,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:19:08,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:08,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:19:08,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:19:08,018 INFO L87 Difference]: Start difference. First operand 628 states and 865 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:08,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:08,205 INFO L93 Difference]: Finished difference Result 1246 states and 1720 transitions. [2024-12-02 12:19:08,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:19:08,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 12:19:08,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:08,208 INFO L225 Difference]: With dead ends: 1246 [2024-12-02 12:19:08,208 INFO L226 Difference]: Without dead ends: 636 [2024-12-02 12:19:08,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:19:08,209 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 275 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:08,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 277 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:19:08,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-12-02 12:19:08,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 544. [2024-12-02 12:19:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 510 states have (on average 1.3509803921568628) internal successors, (689), 512 states have internal predecessors, (689), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 12:19:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 745 transitions. [2024-12-02 12:19:08,236 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 745 transitions. Word has length 163 [2024-12-02 12:19:08,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:08,236 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 745 transitions. [2024-12-02 12:19:08,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:08,236 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 745 transitions. [2024-12-02 12:19:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 12:19:08,237 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:08,237 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:08,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 12:19:08,237 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:08,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:08,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1654716221, now seen corresponding path program 1 times [2024-12-02 12:19:08,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:08,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556002761] [2024-12-02 12:19:08,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:08,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:08,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:08,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556002761] [2024-12-02 12:19:08,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556002761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:08,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:08,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:19:08,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374937645] [2024-12-02 12:19:08,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:08,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:19:08,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:08,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:19:08,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:19:08,448 INFO L87 Difference]: Start difference. First operand 544 states and 745 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:09,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:09,004 INFO L93 Difference]: Finished difference Result 1689 states and 2338 transitions. [2024-12-02 12:19:09,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:19:09,005 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 12:19:09,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:09,010 INFO L225 Difference]: With dead ends: 1689 [2024-12-02 12:19:09,010 INFO L226 Difference]: Without dead ends: 1163 [2024-12-02 12:19:09,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:19:09,012 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 251 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:09,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 658 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:19:09,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2024-12-02 12:19:09,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 989. [2024-12-02 12:19:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 928 states have (on average 1.365301724137931) internal successors, (1267), 931 states have internal predecessors, (1267), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 12:19:09,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1371 transitions. [2024-12-02 12:19:09,112 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1371 transitions. Word has length 163 [2024-12-02 12:19:09,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:09,113 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1371 transitions. [2024-12-02 12:19:09,113 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:09,113 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1371 transitions. [2024-12-02 12:19:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 12:19:09,115 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:09,115 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:09,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 12:19:09,115 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:09,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:09,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1807550829, now seen corresponding path program 1 times [2024-12-02 12:19:09,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:09,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099498455] [2024-12-02 12:19:09,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:09,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:09,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:09,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099498455] [2024-12-02 12:19:09,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099498455] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:09,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:09,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 12:19:09,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654048069] [2024-12-02 12:19:09,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:09,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 12:19:09,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:09,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 12:19:09,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:19:09,838 INFO L87 Difference]: Start difference. First operand 989 states and 1371 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:10,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:10,937 INFO L93 Difference]: Finished difference Result 2499 states and 3457 transitions. [2024-12-02 12:19:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 12:19:10,938 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 12:19:10,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:10,941 INFO L225 Difference]: With dead ends: 2499 [2024-12-02 12:19:10,941 INFO L226 Difference]: Without dead ends: 1528 [2024-12-02 12:19:10,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:19:10,944 INFO L435 NwaCegarLoop]: 244 mSDtfsCounter, 360 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:10,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 1947 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:19:10,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2024-12-02 12:19:11,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 993. [2024-12-02 12:19:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 993 states, 932 states have (on average 1.3658798283261802) internal successors, (1273), 935 states have internal predecessors, (1273), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 12:19:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 1377 transitions. [2024-12-02 12:19:11,009 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 1377 transitions. Word has length 163 [2024-12-02 12:19:11,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:11,010 INFO L471 AbstractCegarLoop]: Abstraction has 993 states and 1377 transitions. [2024-12-02 12:19:11,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1377 transitions. [2024-12-02 12:19:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 12:19:11,011 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:11,011 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:11,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 12:19:11,012 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:11,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:11,012 INFO L85 PathProgramCache]: Analyzing trace with hash -219202927, now seen corresponding path program 1 times [2024-12-02 12:19:11,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:11,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733941318] [2024-12-02 12:19:11,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:11,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:11,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:19:11,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733941318] [2024-12-02 12:19:11,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733941318] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:11,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:11,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:19:11,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735272498] [2024-12-02 12:19:11,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:11,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:19:11,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:19:11,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:19:11,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:19:11,516 INFO L87 Difference]: Start difference. First operand 993 states and 1377 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:11,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:11,839 INFO L93 Difference]: Finished difference Result 2432 states and 3383 transitions. [2024-12-02 12:19:11,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:19:11,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 163 [2024-12-02 12:19:11,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:11,845 INFO L225 Difference]: With dead ends: 2432 [2024-12-02 12:19:11,845 INFO L226 Difference]: Without dead ends: 1457 [2024-12-02 12:19:11,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:19:11,847 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 118 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:11,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 718 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:19:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-12-02 12:19:11,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1025. [2024-12-02 12:19:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 964 states have (on average 1.3609958506224067) internal successors, (1312), 967 states have internal predecessors, (1312), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 12:19:11,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1416 transitions. [2024-12-02 12:19:11,903 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1416 transitions. Word has length 163 [2024-12-02 12:19:11,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:11,904 INFO L471 AbstractCegarLoop]: Abstraction has 1025 states and 1416 transitions. [2024-12-02 12:19:11,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1416 transitions. [2024-12-02 12:19:11,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 12:19:11,906 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:11,906 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:11,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 12:19:11,906 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:11,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:11,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1865545422, now seen corresponding path program 1 times [2024-12-02 12:19:11,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:19:11,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032706470] [2024-12-02 12:19:11,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:19:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:19:11,952 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:19:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:19:12,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:19:12,049 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:19:12,050 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:19:12,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 12:19:12,053 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:19:12,141 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:19:12,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:19:12 BoogieIcfgContainer [2024-12-02 12:19:12,144 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:19:12,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:19:12,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:19:12,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:19:12,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:18:52" (3/4) ... [2024-12-02 12:19:12,147 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:19:12,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:19:12,148 INFO L158 Benchmark]: Toolchain (without parser) took 20482.31ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 118.9MB in the beginning and 327.6MB in the end (delta: -208.7MB). Peak memory consumption was 171.2MB. Max. memory is 16.1GB. [2024-12-02 12:19:12,148 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 83.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:19:12,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.49ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 102.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:19:12,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.66ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 98.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:19:12,149 INFO L158 Benchmark]: Boogie Preprocessor took 56.12ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 92.5MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:19:12,149 INFO L158 Benchmark]: RCFGBuilder took 569.28ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 63.6MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:19:12,150 INFO L158 Benchmark]: TraceAbstraction took 19487.74ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 62.9MB in the beginning and 327.6MB in the end (delta: -264.7MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. [2024-12-02 12:19:12,150 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 520.1MB. Free memory was 327.6MB in the beginning and 327.6MB in the end (delta: 46.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:19:12,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 83.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.49ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 102.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.66ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 98.3MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.12ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 92.5MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 569.28ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 63.6MB in the end (delta: 28.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 19487.74ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 62.9MB in the beginning and 327.6MB in the end (delta: -264.7MB). Peak memory consumption was 112.5MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 520.1MB. Free memory was 327.6MB in the beginning and 327.6MB in the end (delta: 46.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 152, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 158. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] unsigned char var_1_33 = 8; [L44] double var_1_40 = 8.35; [L45] unsigned short int var_1_45 = 50; [L46] unsigned char var_1_46 = 0; [L47] unsigned char var_1_47 = 5; [L48] unsigned char var_1_48 = 1; [L49] signed char var_1_49 = -16; [L50] signed char var_1_50 = 2; [L51] signed char var_1_51 = 16; [L52] signed long int var_1_53 = 256; [L53] double var_1_54 = 1.25; [L54] unsigned long int var_1_55 = 5; [L55] signed long int last_1_var_1_1 = 64; [L56] unsigned char last_1_var_1_13 = 64; VAL [isInitial=0, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L186] isInitial = 1 [L187] FCALL initially() [L189] CALL updateLastVariables() [L178] last_1_var_1_1 = var_1_1 [L179] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_7 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L141] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5] [L142] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L142] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L143] var_1_15 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L144] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L145] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L145] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L146] var_1_16 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L147] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L148] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L148] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L149] var_1_18 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L150] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L151] var_1_19 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L152] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L153] var_1_20 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L154] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L155] var_1_21 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L156] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L157] var_1_22 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L158] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L159] var_1_23 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L160] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L161] var_1_27 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L162] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L163] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L163] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L164] var_1_28 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L165] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L166] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L166] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=5, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L167] var_1_47 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_47 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L168] RET assume_abort_if_not(var_1_47 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L169] CALL assume_abort_if_not(var_1_47 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L169] RET assume_abort_if_not(var_1_47 <= 127) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=2, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L170] var_1_50 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_50 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L171] RET assume_abort_if_not(var_1_50 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L172] CALL assume_abort_if_not(var_1_50 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L172] RET assume_abort_if_not(var_1_50 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=16, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L173] var_1_51 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_51 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L174] RET assume_abort_if_not(var_1_51 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L175] CALL assume_abort_if_not(var_1_51 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L175] RET assume_abort_if_not(var_1_51 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L190] RET updateVariables() [L191] CALL step() [L60] signed long int stepLocal_1 = last_1_var_1_1; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L61] COND FALSE !(stepLocal_1 != last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L64] var_1_31 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L65] COND FALSE !(\read(var_1_7)) [L68] var_1_17 = var_1_22 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L70] COND FALSE !(\read(var_1_7)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L73] var_1_32 = var_1_16 [L74] var_1_30 = var_1_32 [L75] unsigned char stepLocal_0 = var_1_13; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L76] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_0=64, var_1_11=500, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L76] COND TRUE (var_1_32 >> var_1_32) < stepLocal_0 [L77] var_1_11 = var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L79] COND TRUE var_1_11 >= var_1_30 [L80] var_1_26 = (var_1_27 + var_1_28) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L82] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L82] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L83] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L91] unsigned short int stepLocal_2 = var_1_30; VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L92] COND TRUE ! var_1_7 [L93] var_1_24 = (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L101] EXPR var_1_15 ^ var_1_1 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L101] EXPR var_1_13 | var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=8, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L101] COND FALSE !((var_1_15 ^ var_1_1) < (var_1_13 | var_1_13)) [L104] var_1_33 = (((((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) < 0 ) ? -((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) : ((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_40=167/20, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L106] COND FALSE !((-32 & var_1_16) > var_1_32) [L109] var_1_40 = (var_1_18 + var_1_18) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L111] COND FALSE !(var_1_21 >= ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=50, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L118] COND TRUE var_1_21 <= (var_1_20 + var_1_19) [L119] var_1_45 = var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L122] COND FALSE !(var_1_18 > (var_1_19 + var_1_22)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=1, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L129] var_1_48 = var_1_16 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=-16, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L130] COND FALSE !(var_1_20 < var_1_22) [L133] var_1_49 = ((((((((var_1_50) < (var_1_51)) ? (var_1_50) : (var_1_51)))) > (var_1_27)) ? (((((var_1_50) < (var_1_51)) ? (var_1_50) : (var_1_51)))) : (var_1_27))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=4, var_1_50=4, var_1_51=5, var_1_53=256, var_1_54=5/4, var_1_55=5, var_1_7=0] [L135] var_1_53 = var_1_11 [L136] var_1_54 = var_1_21 [L137] var_1_55 = var_1_11 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, stepLocal_2=0, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_21=506, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=4, var_1_50=4, var_1_51=5, var_1_53=0, var_1_54=506, var_1_55=0, var_1_7=0] [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_21=506, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=4, var_1_50=4, var_1_51=5, var_1_53=0, var_1_54=506, var_1_55=0, var_1_7=0] [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_21=506, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=4, var_1_50=4, var_1_51=5, var_1_53=0, var_1_54=506, var_1_55=0, var_1_7=0] [L182] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_21=506, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=4, var_1_50=4, var_1_51=5, var_1_53=0, var_1_54=506, var_1_55=0, var_1_7=0] [L182] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_21=506, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=4, var_1_50=4, var_1_51=5, var_1_53=0, var_1_54=506, var_1_55=0, var_1_7=0] [L182-L183] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_21=506, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=4, var_1_50=4, var_1_51=5, var_1_53=0, var_1_54=506, var_1_55=0, var_1_7=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=0, var_1_16=0, var_1_17=505, var_1_1=64, var_1_21=506, var_1_22=505, var_1_24=0, var_1_26=32, var_1_27=3, var_1_28=29, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_33=0, var_1_45=0, var_1_46=0, var_1_47=127, var_1_48=0, var_1_49=4, var_1_50=4, var_1_51=5, var_1_53=0, var_1_54=506, var_1_55=0, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.3s, OverallIterations: 23, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3940 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3940 mSDsluCounter, 13958 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9680 mSDsCounter, 372 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4603 IncrementalHoareTripleChecker+Invalid, 4975 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 372 mSolverCounterUnsat, 4278 mSDtfsCounter, 4603 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 344 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1025occurred in iteration=22, InterpolantAutomatonStates: 115, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 4434 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 3872 NumberOfCodeBlocks, 3872 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3686 ConstructedInterpolants, 0 QuantifiedInterpolants, 10499 SizeOfPredicates, 0 NumberOfNonLiveVariables, 405 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 23 InterpolantComputations, 22 PerfectInterpolantSequences, 21210/21252 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 12:19:12,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 6d2a5db81174f97af5617a328e4f08c7a29d4a33d2f456761417e8dc5d1b805e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:19:14,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:19:14,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:19:14,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:19:14,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:19:14,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:19:14,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:19:14,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:19:14,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:19:14,286 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:19:14,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:19:14,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:19:14,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:19:14,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:19:14,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:19:14,287 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:19:14,288 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:19:14,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:19:14,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:19:14,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:19:14,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:19:14,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:19:14,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:19:14,290 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_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 -> 6d2a5db81174f97af5617a328e4f08c7a29d4a33d2f456761417e8dc5d1b805e [2024-12-02 12:19:14,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:19:14,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:19:14,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:19:14,545 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:19:14,545 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:19:14,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2024-12-02 12:19:17,275 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data/7b4c8ea99/4810dfd61f2a480ba5281b671a9529ab/FLAG9ef5bb441 [2024-12-02 12:19:17,455 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:19:17,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2024-12-02 12:19:17,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data/7b4c8ea99/4810dfd61f2a480ba5281b671a9529ab/FLAG9ef5bb441 [2024-12-02 12:19:17,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/data/7b4c8ea99/4810dfd61f2a480ba5281b671a9529ab [2024-12-02 12:19:17,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:19:17,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:19:17,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:19:17,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:19:17,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:19:17,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb8ab76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17, skipping insertion in model container [2024-12-02 12:19:17,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:19:17,625 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_14ffcecd-52f0-486f-b1a4-440577ddddb1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i[919,932] [2024-12-02 12:19:17,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:19:17,693 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:19:17,700 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_14ffcecd-52f0-486f-b1a4-440577ddddb1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i[919,932] [2024-12-02 12:19:17,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:19:17,754 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:19:17,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17 WrapperNode [2024-12-02 12:19:17,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:19:17,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:19:17,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:19:17,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:19:17,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,774 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,799 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2024-12-02 12:19:17,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:19:17,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:19:17,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:19:17,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:19:17,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,819 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:19:17,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:19:17,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:19:17,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:19:17,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:19:17,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (1/1) ... [2024-12-02 12:19:17,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:19:17,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:19:17,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:19:17,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:19:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:19:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:19:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:19:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:19:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:19:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:19:17,987 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:19:17,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:19:25,974 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 12:19:25,974 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:19:25,985 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:19:25,985 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:19:25,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:19:25 BoogieIcfgContainer [2024-12-02 12:19:25,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:19:25,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:19:25,988 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:19:25,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:19:25,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:19:17" (1/3) ... [2024-12-02 12:19:25,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1086d580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:19:25, skipping insertion in model container [2024-12-02 12:19:25,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:19:17" (2/3) ... [2024-12-02 12:19:25,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1086d580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:19:25, skipping insertion in model container [2024-12-02 12:19:25,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:19:25" (3/3) ... [2024-12-02 12:19:25,997 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i [2024-12-02 12:19:26,015 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:19:26,017 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-63.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:19:26,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:19:26,073 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;@1169caca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:19:26,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:19:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:19:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 12:19:26,086 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:26,086 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:26,087 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:26,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:26,091 INFO L85 PathProgramCache]: Analyzing trace with hash -485067979, now seen corresponding path program 1 times [2024-12-02 12:19:26,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:19:26,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108420078] [2024-12-02 12:19:26,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:26,101 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 12:19:26,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:19:26,103 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:26,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:26,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:19:26,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:19:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-12-02 12:19:26,723 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:19:26,724 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:19:26,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108420078] [2024-12-02 12:19:26,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108420078] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:26,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:26,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:19:26,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264119579] [2024-12-02 12:19:26,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:26,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:19:26,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:19:26,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:19:26,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:19:26,746 INFO L87 Difference]: Start difference. First operand has 78 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 54 states have internal predecessors, (76), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 12:19:26,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:26,769 INFO L93 Difference]: Finished difference Result 148 states and 254 transitions. [2024-12-02 12:19:26,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:19:26,771 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-12-02 12:19:26,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:26,777 INFO L225 Difference]: With dead ends: 148 [2024-12-02 12:19:26,777 INFO L226 Difference]: Without dead ends: 73 [2024-12-02 12:19:26,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 12:19:26,783 INFO L435 NwaCegarLoop]: 110 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, 110 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 12:19:26,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:19:26,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-12-02 12:19:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-12-02 12:19:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.346938775510204) internal successors, (66), 49 states have internal predecessors, (66), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 12:19:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 110 transitions. [2024-12-02 12:19:26,825 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 110 transitions. Word has length 151 [2024-12-02 12:19:26,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:26,826 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 110 transitions. [2024-12-02 12:19:26,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 12:19:26,826 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2024-12-02 12:19:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 12:19:26,829 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:26,829 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:26,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:27,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:27,030 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:27,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:27,031 INFO L85 PathProgramCache]: Analyzing trace with hash -750621503, now seen corresponding path program 1 times [2024-12-02 12:19:27,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:19:27,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525834037] [2024-12-02 12:19:27,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:27,032 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 12:19:27,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:19:27,034 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:27,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:27,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:19:27,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:19:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:29,382 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:19:29,382 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:19:29,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525834037] [2024-12-02 12:19:29,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525834037] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:29,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:29,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:19:29,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829862862] [2024-12-02 12:19:29,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:29,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:19:29,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:19:29,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:19:29,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:19:29,386 INFO L87 Difference]: Start difference. First operand 73 states and 110 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:33,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:19:38,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:19:38,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:38,165 INFO L93 Difference]: Finished difference Result 214 states and 325 transitions. [2024-12-02 12:19:38,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:19:38,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 12:19:38,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:38,188 INFO L225 Difference]: With dead ends: 214 [2024-12-02 12:19:38,188 INFO L226 Difference]: Without dead ends: 144 [2024-12-02 12:19:38,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:19:38,190 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 77 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:38,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 358 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2024-12-02 12:19:38,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-12-02 12:19:38,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 116. [2024-12-02 12:19:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 69 states have internal predecessors, (86), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 12:19:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 174 transitions. [2024-12-02 12:19:38,223 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 174 transitions. Word has length 151 [2024-12-02 12:19:38,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:38,224 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 174 transitions. [2024-12-02 12:19:38,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 174 transitions. [2024-12-02 12:19:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 12:19:38,226 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:38,227 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:38,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:38,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:38,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:38,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:38,428 INFO L85 PathProgramCache]: Analyzing trace with hash -531766785, now seen corresponding path program 1 times [2024-12-02 12:19:38,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:19:38,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925727326] [2024-12-02 12:19:38,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:38,429 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 12:19:38,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:19:38,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:38,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:38,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:19:38,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:19:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:38,977 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:19:38,977 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:19:38,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925727326] [2024-12-02 12:19:38,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [925727326] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:38,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:38,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:38,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270443192] [2024-12-02 12:19:38,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:38,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:38,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:19:38,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:38,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:38,979 INFO L87 Difference]: Start difference. First operand 116 states and 174 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:42,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:19:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:42,771 INFO L93 Difference]: Finished difference Result 212 states and 320 transitions. [2024-12-02 12:19:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:42,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 12:19:42,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:42,774 INFO L225 Difference]: With dead ends: 212 [2024-12-02 12:19:42,774 INFO L226 Difference]: Without dead ends: 142 [2024-12-02 12:19:42,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 12:19:42,776 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 31 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:42,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 227 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 12:19:42,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-12-02 12:19:42,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 124. [2024-12-02 12:19:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 12:19:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 185 transitions. [2024-12-02 12:19:42,797 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 185 transitions. Word has length 151 [2024-12-02 12:19:42,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:42,798 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 185 transitions. [2024-12-02 12:19:42,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:42,798 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 185 transitions. [2024-12-02 12:19:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 12:19:42,800 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:42,801 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:42,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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)] Forceful destruction successful, exit code 0 [2024-12-02 12:19:43,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:43,001 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:43,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:43,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2074256769, now seen corresponding path program 1 times [2024-12-02 12:19:43,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:19:43,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200540590] [2024-12-02 12:19:43,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:43,002 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 12:19:43,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:19:43,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:43,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:43,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:19:43,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:19:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:19:43,563 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:19:43,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:19:43,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200540590] [2024-12-02 12:19:43,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [200540590] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:19:43,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:19:43,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:19:43,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907454948] [2024-12-02 12:19:43,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:19:43,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:19:43,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:19:43,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:19:43,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:19:43,566 INFO L87 Difference]: Start difference. First operand 124 states and 185 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:47,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:19:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:19:47,407 INFO L93 Difference]: Finished difference Result 206 states and 306 transitions. [2024-12-02 12:19:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:19:47,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-12-02 12:19:47,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:19:47,409 INFO L225 Difference]: With dead ends: 206 [2024-12-02 12:19:47,410 INFO L226 Difference]: Without dead ends: 128 [2024-12-02 12:19:47,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 12:19:47,411 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 43 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:19:47,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 180 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 12:19:47,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-12-02 12:19:47,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-12-02 12:19:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 80 states have (on average 1.2375) internal successors, (99), 80 states have internal predecessors, (99), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-12-02 12:19:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 187 transitions. [2024-12-02 12:19:47,431 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 187 transitions. Word has length 151 [2024-12-02 12:19:47,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:19:47,432 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 187 transitions. [2024-12-02 12:19:47,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-12-02 12:19:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 187 transitions. [2024-12-02 12:19:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-02 12:19:47,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:19:47,434 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:47,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:47,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:47,635 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:19:47,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:19:47,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1519645949, now seen corresponding path program 1 times [2024-12-02 12:19:47,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:19:47,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349586763] [2024-12-02 12:19:47,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:19:47,636 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 12:19:47,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:19:47,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:47,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14ffcecd-52f0-486f-b1a4-440577ddddb1/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 12:19:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:19:48,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 12:19:48,206 INFO L279 TraceCheckSpWp]: Computing forward predicates...