./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.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_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f438dca2376e7c8417e397f8c4e8905746bba2e764fb7eae58181fb192c76381 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:16:58,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:16:59,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:16:59,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:16:59,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:16:59,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:16:59,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:16:59,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:16:59,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:16:59,072 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:16:59,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:16:59,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:16:59,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:16:59,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:16:59,073 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:16:59,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:16:59,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:16:59,073 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:16:59,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:16:59,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:16:59,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:16:59,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:16:59,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:16:59,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:16:59,074 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:16:59,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:16:59,075 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:16:59,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:16:59,075 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:16:59,075 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:59,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:59,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:59,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:59,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:16:59,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:59,076 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:59,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:59,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:59,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:16:59,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:16:59,077 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:16:59,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:16:59,077 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:16:59,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:16:59,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:16:59,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:16:59,078 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:16:59,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:16:59,078 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_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f438dca2376e7c8417e397f8c4e8905746bba2e764fb7eae58181fb192c76381 [2024-11-28 04:16:59,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:16:59,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:16:59,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:16:59,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:16:59,412 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:16:59,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-28 04:17:02,317 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data/77183588a/c2c1bbc1a38848da97a70cbf1bdb0bb8/FLAGde5a01364 [2024-11-28 04:17:02,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:17:02,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-28 04:17:02,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data/77183588a/c2c1bbc1a38848da97a70cbf1bdb0bb8/FLAGde5a01364 [2024-11-28 04:17:02,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data/77183588a/c2c1bbc1a38848da97a70cbf1bdb0bb8 [2024-11-28 04:17:02,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:17:02,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:17:02,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:17:02,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:17:02,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:17:02,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:17:02" (1/1) ... [2024-11-28 04:17:02,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1380e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:02, skipping insertion in model container [2024-11-28 04:17:02,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:17:02" (1/1) ... [2024-11-28 04:17:02,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:17:02,963 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_435bd9e7-8b89-4969-9560-8cb4880f75c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i[919,932] [2024-11-28 04:17:03,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:17:03,092 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:17:03,105 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_435bd9e7-8b89-4969-9560-8cb4880f75c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i[919,932] [2024-11-28 04:17:03,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:17:03,193 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:17:03,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03 WrapperNode [2024-11-28 04:17:03,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:17:03,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:17:03,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:17:03,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:17:03,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,274 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 297 [2024-11-28 04:17:03,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:17:03,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:17:03,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:17:03,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:17:03,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,328 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]. [2024-11-28 04:17:03,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,347 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:17:03,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:17:03,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:17:03,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:17:03,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (1/1) ... [2024-11-28 04:17:03,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:17:03,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:03,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:17:03,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:17:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:17:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:17:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:17:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:17:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:17:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:17:03,557 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:17:03,559 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:17:04,290 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-28 04:17:04,290 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:17:04,308 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:17:04,308 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:17:04,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:04 BoogieIcfgContainer [2024-11-28 04:17:04,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:17:04,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:17:04,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:17:04,319 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:17:04,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:17:02" (1/3) ... [2024-11-28 04:17:04,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d8c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:17:04, skipping insertion in model container [2024-11-28 04:17:04,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:17:03" (2/3) ... [2024-11-28 04:17:04,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d8c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:17:04, skipping insertion in model container [2024-11-28 04:17:04,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:04" (3/3) ... [2024-11-28 04:17:04,323 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-28 04:17:04,344 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:17:04,346 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i that has 2 procedures, 128 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:17:04,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:17:04,422 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;@42a0b0e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:17:04,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:17:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 92 states have internal predecessors, (131), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 04:17:04,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 04:17:04,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:04,441 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:04,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:04,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:04,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1557986687, now seen corresponding path program 1 times [2024-11-28 04:17:04,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:04,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342126750] [2024-11-28 04:17:04,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:04,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-11-28 04:17:04,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:04,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342126750] [2024-11-28 04:17:04,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342126750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:04,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171142233] [2024-11-28 04:17:04,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:04,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:04,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:04,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:05,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:17:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:05,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:17:05,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:05,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2024-11-28 04:17:05,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:17:05,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171142233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:05,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:05,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:17:05,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260993772] [2024-11-28 04:17:05,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:05,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:17:05,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:05,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:17:05,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:17:05,455 INFO L87 Difference]: Start difference. First operand has 128 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 92 states have internal predecessors, (131), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:17:05,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:05,512 INFO L93 Difference]: Finished difference Result 249 states and 426 transitions. [2024-11-28 04:17:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:17:05,514 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 220 [2024-11-28 04:17:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:05,525 INFO L225 Difference]: With dead ends: 249 [2024-11-28 04:17:05,525 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 04:17:05,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:17:05,532 INFO L435 NwaCegarLoop]: 192 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, 192 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:05,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:17:05,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 04:17:05,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-28 04:17:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 88 states have (on average 1.4090909090909092) internal successors, (124), 88 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 04:17:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 192 transitions. [2024-11-28 04:17:05,633 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 192 transitions. Word has length 220 [2024-11-28 04:17:05,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:05,636 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 192 transitions. [2024-11-28 04:17:05,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:17:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 192 transitions. [2024-11-28 04:17:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 04:17:05,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:05,644 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:05,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:17:05,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:05,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:05,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:05,847 INFO L85 PathProgramCache]: Analyzing trace with hash -227716681, now seen corresponding path program 1 times [2024-11-28 04:17:05,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:05,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286934333] [2024-11-28 04:17:05,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:05,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:06,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:17:06,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:06,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286934333] [2024-11-28 04:17:06,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286934333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:06,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:06,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:17:06,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448780565] [2024-11-28 04:17:06,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:06,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:17:06,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:06,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:17:06,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:17:06,903 INFO L87 Difference]: Start difference. First operand 124 states and 192 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:17:07,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:07,270 INFO L93 Difference]: Finished difference Result 367 states and 571 transitions. [2024-11-28 04:17:07,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:17:07,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-11-28 04:17:07,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:07,278 INFO L225 Difference]: With dead ends: 367 [2024-11-28 04:17:07,280 INFO L226 Difference]: Without dead ends: 246 [2024-11-28 04:17:07,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:17:07,284 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 167 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:07,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 553 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:17:07,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-28 04:17:07,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 212. [2024-11-28 04:17:07,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 141 states have (on average 1.3900709219858156) internal successors, (196), 141 states have internal predecessors, (196), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 04:17:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 332 transitions. [2024-11-28 04:17:07,354 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 332 transitions. Word has length 220 [2024-11-28 04:17:07,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:07,357 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 332 transitions. [2024-11-28 04:17:07,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:17:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 332 transitions. [2024-11-28 04:17:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:17:07,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:07,367 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:07,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:17:07,367 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:07,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:07,368 INFO L85 PathProgramCache]: Analyzing trace with hash 281096731, now seen corresponding path program 1 times [2024-11-28 04:17:07,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:07,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045878672] [2024-11-28 04:17:07,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:17:30,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:30,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045878672] [2024-11-28 04:17:30,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045878672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:30,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:30,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:17:30,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732488247] [2024-11-28 04:17:30,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:30,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:17:30,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:30,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:17:30,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:17:30,661 INFO L87 Difference]: Start difference. First operand 212 states and 332 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:17:32,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:32,913 INFO L93 Difference]: Finished difference Result 483 states and 731 transitions. [2024-11-28 04:17:32,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:17:32,913 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-28 04:17:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:32,920 INFO L225 Difference]: With dead ends: 483 [2024-11-28 04:17:32,920 INFO L226 Difference]: Without dead ends: 344 [2024-11-28 04:17:32,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:17:32,922 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 533 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:32,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 1056 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:17:32,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-28 04:17:32,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 260. [2024-11-28 04:17:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 187 states have (on average 1.3796791443850267) internal successors, (258), 187 states have internal predecessors, (258), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 04:17:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 394 transitions. [2024-11-28 04:17:32,979 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 394 transitions. Word has length 221 [2024-11-28 04:17:32,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:32,981 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 394 transitions. [2024-11-28 04:17:32,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:17:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 394 transitions. [2024-11-28 04:17:32,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:17:32,986 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:32,986 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:32,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:17:32,987 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:32,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:32,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1713047975, now seen corresponding path program 1 times [2024-11-28 04:17:32,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:32,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750951898] [2024-11-28 04:17:32,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:32,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:17:48,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:48,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750951898] [2024-11-28 04:17:48,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750951898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:48,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:48,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:17:48,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432519649] [2024-11-28 04:17:48,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:48,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:17:48,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:48,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:17:48,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:17:48,313 INFO L87 Difference]: Start difference. First operand 260 states and 394 transitions. Second operand has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 04:17:51,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:51,707 INFO L93 Difference]: Finished difference Result 537 states and 791 transitions. [2024-11-28 04:17:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 04:17:51,708 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 221 [2024-11-28 04:17:51,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:51,713 INFO L225 Difference]: With dead ends: 537 [2024-11-28 04:17:51,713 INFO L226 Difference]: Without dead ends: 405 [2024-11-28 04:17:51,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2024-11-28 04:17:51,715 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 839 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:51,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 1165 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 04:17:51,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-28 04:17:51,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 273. [2024-11-28 04:17:51,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 199 states have (on average 1.3668341708542713) internal successors, (272), 199 states have internal predecessors, (272), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 04:17:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 408 transitions. [2024-11-28 04:17:51,747 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 408 transitions. Word has length 221 [2024-11-28 04:17:51,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:51,747 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 408 transitions. [2024-11-28 04:17:51,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 04:17:51,748 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 408 transitions. [2024-11-28 04:17:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:17:51,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:51,752 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:51,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:17:51,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:17:51,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:51,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1454882537, now seen corresponding path program 1 times [2024-11-28 04:17:51,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:51,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528279009] [2024-11-28 04:17:51,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:51,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:18:06,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:06,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528279009] [2024-11-28 04:18:06,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528279009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:06,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:06,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:18:06,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713528652] [2024-11-28 04:18:06,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:06,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:18:06,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:06,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:18:06,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:18:06,923 INFO L87 Difference]: Start difference. First operand 273 states and 408 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:18:09,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:09,357 INFO L93 Difference]: Finished difference Result 527 states and 771 transitions. [2024-11-28 04:18:09,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:18:09,358 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-28 04:18:09,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:09,361 INFO L225 Difference]: With dead ends: 527 [2024-11-28 04:18:09,361 INFO L226 Difference]: Without dead ends: 406 [2024-11-28 04:18:09,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-28 04:18:09,363 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 455 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:09,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1142 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:18:09,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-28 04:18:09,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 277. [2024-11-28 04:18:09,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 202 states have (on average 1.3613861386138615) internal successors, (275), 202 states have internal predecessors, (275), 68 states have call successors, (68), 6 states have call predecessors, (68), 6 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 04:18:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 411 transitions. [2024-11-28 04:18:09,386 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 411 transitions. Word has length 221 [2024-11-28 04:18:09,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:09,387 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 411 transitions. [2024-11-28 04:18:09,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:18:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 411 transitions. [2024-11-28 04:18:09,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:18:09,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:09,391 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:18:09,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:18:09,391 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:09,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:09,392 INFO L85 PathProgramCache]: Analyzing trace with hash 287631835, now seen corresponding path program 1 times [2024-11-28 04:18:09,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:09,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238971316] [2024-11-28 04:18:09,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:09,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:18:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:18:09,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:18:09,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238971316] [2024-11-28 04:18:09,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238971316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:18:09,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:18:09,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:18:09,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317962286] [2024-11-28 04:18:09,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:18:09,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:18:09,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:18:09,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:18:09,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:18:09,508 INFO L87 Difference]: Start difference. First operand 277 states and 411 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:18:09,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:18:09,572 INFO L93 Difference]: Finished difference Result 504 states and 750 transitions. [2024-11-28 04:18:09,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:18:09,573 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-28 04:18:09,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:18:09,577 INFO L225 Difference]: With dead ends: 504 [2024-11-28 04:18:09,579 INFO L226 Difference]: Without dead ends: 335 [2024-11-28 04:18:09,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:18:09,581 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 92 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:18:09,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 406 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:18:09,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-28 04:18:09,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 332. [2024-11-28 04:18:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 249 states have internal predecessors, (337), 76 states have call successors, (76), 7 states have call predecessors, (76), 7 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-28 04:18:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 489 transitions. [2024-11-28 04:18:09,609 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 489 transitions. Word has length 221 [2024-11-28 04:18:09,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:18:09,609 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 489 transitions. [2024-11-28 04:18:09,610 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:18:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 489 transitions. [2024-11-28 04:18:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:18:09,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:18:09,613 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:18:09,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:18:09,613 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:18:09,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:18:09,614 INFO L85 PathProgramCache]: Analyzing trace with hash 967690205, now seen corresponding path program 1 times [2024-11-28 04:18:09,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:18:09,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479247833] [2024-11-28 04:18:09,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:18:09,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:18:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:19:09,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:09,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479247833] [2024-11-28 04:19:09,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479247833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:09,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:09,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:19:09,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505983166] [2024-11-28 04:19:09,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:09,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:19:09,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:09,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:19:09,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:19:09,312 INFO L87 Difference]: Start difference. First operand 332 states and 489 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:19:12,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:12,515 INFO L93 Difference]: Finished difference Result 774 states and 1140 transitions. [2024-11-28 04:19:12,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:19:12,515 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-28 04:19:12,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:12,521 INFO L225 Difference]: With dead ends: 774 [2024-11-28 04:19:12,521 INFO L226 Difference]: Without dead ends: 598 [2024-11-28 04:19:12,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-11-28 04:19:12,523 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 753 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 1548 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:12,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 1215 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1548 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 04:19:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-28 04:19:12,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 459. [2024-11-28 04:19:12,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 338 states have (on average 1.349112426035503) internal successors, (456), 339 states have internal predecessors, (456), 110 states have call successors, (110), 10 states have call predecessors, (110), 10 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-28 04:19:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 676 transitions. [2024-11-28 04:19:12,570 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 676 transitions. Word has length 221 [2024-11-28 04:19:12,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:12,571 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 676 transitions. [2024-11-28 04:19:12,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:19:12,571 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 676 transitions. [2024-11-28 04:19:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:19:12,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:12,576 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:12,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:19:12,576 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:12,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:12,577 INFO L85 PathProgramCache]: Analyzing trace with hash -53378149, now seen corresponding path program 1 times [2024-11-28 04:19:12,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:12,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790274389] [2024-11-28 04:19:12,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:19:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:19:30,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:19:30,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790274389] [2024-11-28 04:19:30,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790274389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:19:30,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:19:30,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 04:19:30,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940545398] [2024-11-28 04:19:30,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:19:30,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:19:30,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:19:30,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:19:30,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:19:30,628 INFO L87 Difference]: Start difference. First operand 459 states and 676 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:19:33,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:19:33,531 INFO L93 Difference]: Finished difference Result 920 states and 1343 transitions. [2024-11-28 04:19:33,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:19:33,532 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-28 04:19:33,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:19:33,536 INFO L225 Difference]: With dead ends: 920 [2024-11-28 04:19:33,536 INFO L226 Difference]: Without dead ends: 594 [2024-11-28 04:19:33,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:19:33,538 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 551 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:19:33,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1447 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 04:19:33,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-28 04:19:33,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 476. [2024-11-28 04:19:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 353 states have (on average 1.3371104815864023) internal successors, (472), 354 states have internal predecessors, (472), 110 states have call successors, (110), 12 states have call predecessors, (110), 12 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-28 04:19:33,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 692 transitions. [2024-11-28 04:19:33,583 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 692 transitions. Word has length 221 [2024-11-28 04:19:33,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:19:33,583 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 692 transitions. [2024-11-28 04:19:33,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:19:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 692 transitions. [2024-11-28 04:19:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:19:33,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:19:33,586 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:19:33,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:19:33,590 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:19:33,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:19:33,591 INFO L85 PathProgramCache]: Analyzing trace with hash 204787289, now seen corresponding path program 1 times [2024-11-28 04:19:33,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:19:33,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346438900] [2024-11-28 04:19:33,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:19:33,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:19:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:20:11,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:11,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346438900] [2024-11-28 04:20:11,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346438900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:11,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:11,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:20:11,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879522659] [2024-11-28 04:20:11,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:11,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:20:11,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:11,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:20:11,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:20:11,736 INFO L87 Difference]: Start difference. First operand 476 states and 692 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:20:17,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:17,673 INFO L93 Difference]: Finished difference Result 1043 states and 1486 transitions. [2024-11-28 04:20:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:20:17,674 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-28 04:20:17,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:17,678 INFO L225 Difference]: With dead ends: 1043 [2024-11-28 04:20:17,678 INFO L226 Difference]: Without dead ends: 700 [2024-11-28 04:20:17,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=313, Invalid=557, Unknown=0, NotChecked=0, Total=870 [2024-11-28 04:20:17,681 INFO L435 NwaCegarLoop]: 265 mSDtfsCounter, 606 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 1544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:17,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 1514 Invalid, 1544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1405 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 04:20:17,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-28 04:20:17,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 470. [2024-11-28 04:20:17,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 347 states have (on average 1.3371757925072045) internal successors, (464), 348 states have internal predecessors, (464), 110 states have call successors, (110), 12 states have call predecessors, (110), 12 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-28 04:20:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 684 transitions. [2024-11-28 04:20:17,723 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 684 transitions. Word has length 221 [2024-11-28 04:20:17,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:17,724 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 684 transitions. [2024-11-28 04:20:17,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:20:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 684 transitions. [2024-11-28 04:20:17,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:20:17,726 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:17,726 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:17,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:20:17,726 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:17,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:17,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1026454501, now seen corresponding path program 1 times [2024-11-28 04:20:17,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:17,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14840338] [2024-11-28 04:20:17,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:17,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:20:36,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:36,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14840338] [2024-11-28 04:20:36,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14840338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:36,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:36,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:20:36,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92622993] [2024-11-28 04:20:36,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:36,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:20:36,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:36,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:20:36,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:20:36,086 INFO L87 Difference]: Start difference. First operand 470 states and 684 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:20:38,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:20:38,677 INFO L93 Difference]: Finished difference Result 938 states and 1362 transitions. [2024-11-28 04:20:38,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:20:38,678 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-28 04:20:38,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:20:38,683 INFO L225 Difference]: With dead ends: 938 [2024-11-28 04:20:38,683 INFO L226 Difference]: Without dead ends: 762 [2024-11-28 04:20:38,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:20:38,684 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 781 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 1597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:20:38,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 1174 Invalid, 1597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:20:38,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-11-28 04:20:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 627. [2024-11-28 04:20:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 465 states have (on average 1.3419354838709678) internal successors, (624), 466 states have internal predecessors, (624), 144 states have call successors, (144), 17 states have call predecessors, (144), 17 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 04:20:38,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 912 transitions. [2024-11-28 04:20:38,741 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 912 transitions. Word has length 221 [2024-11-28 04:20:38,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:20:38,741 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 912 transitions. [2024-11-28 04:20:38,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:20:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 912 transitions. [2024-11-28 04:20:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:20:38,743 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:20:38,744 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:20:38,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:20:38,744 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:20:38,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:20:38,744 INFO L85 PathProgramCache]: Analyzing trace with hash -768289063, now seen corresponding path program 1 times [2024-11-28 04:20:38,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:20:38,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022920973] [2024-11-28 04:20:38,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:20:38,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:20:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:20:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:20:59,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:20:59,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022920973] [2024-11-28 04:20:59,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022920973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:20:59,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:20:59,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:20:59,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905288930] [2024-11-28 04:20:59,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:20:59,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:20:59,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:20:59,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:20:59,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:20:59,144 INFO L87 Difference]: Start difference. First operand 627 states and 912 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:02,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:02,240 INFO L93 Difference]: Finished difference Result 946 states and 1369 transitions. [2024-11-28 04:21:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:21:02,241 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-28 04:21:02,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:02,245 INFO L225 Difference]: With dead ends: 946 [2024-11-28 04:21:02,245 INFO L226 Difference]: Without dead ends: 770 [2024-11-28 04:21:02,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:21:02,247 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 754 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:02,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 1234 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:21:02,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-11-28 04:21:02,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 629. [2024-11-28 04:21:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 467 states have (on average 1.342612419700214) internal successors, (627), 468 states have internal predecessors, (627), 144 states have call successors, (144), 17 states have call predecessors, (144), 17 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 04:21:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 915 transitions. [2024-11-28 04:21:02,306 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 915 transitions. Word has length 221 [2024-11-28 04:21:02,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:02,306 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 915 transitions. [2024-11-28 04:21:02,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:02,307 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 915 transitions. [2024-11-28 04:21:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:21:02,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:02,308 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:02,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:21:02,309 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:02,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:02,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2047522855, now seen corresponding path program 1 times [2024-11-28 04:21:02,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:02,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752167613] [2024-11-28 04:21:02,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:02,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:21:15,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:15,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752167613] [2024-11-28 04:21:15,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752167613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:15,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:15,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:21:15,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165648090] [2024-11-28 04:21:15,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:15,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:21:15,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:15,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:21:15,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:21:15,597 INFO L87 Difference]: Start difference. First operand 629 states and 915 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:21:17,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:17,297 INFO L93 Difference]: Finished difference Result 1137 states and 1640 transitions. [2024-11-28 04:21:17,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:21:17,297 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 221 [2024-11-28 04:21:17,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:17,301 INFO L225 Difference]: With dead ends: 1137 [2024-11-28 04:21:17,302 INFO L226 Difference]: Without dead ends: 798 [2024-11-28 04:21:17,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=173, Invalid=333, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:21:17,303 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 552 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:17,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 1270 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:21:17,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-28 04:21:17,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 637. [2024-11-28 04:21:17,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 475 states have (on average 1.3410526315789473) internal successors, (637), 476 states have internal predecessors, (637), 144 states have call successors, (144), 17 states have call predecessors, (144), 17 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-28 04:21:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 925 transitions. [2024-11-28 04:21:17,360 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 925 transitions. Word has length 221 [2024-11-28 04:21:17,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:17,361 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 925 transitions. [2024-11-28 04:21:17,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:21:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 925 transitions. [2024-11-28 04:21:17,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-28 04:21:17,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:17,363 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:17,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:21:17,363 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:17,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1789357417, now seen corresponding path program 1 times [2024-11-28 04:21:17,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:17,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954185737] [2024-11-28 04:21:17,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:21:18,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:18,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954185737] [2024-11-28 04:21:18,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954185737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:18,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:18,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:21:18,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66106354] [2024-11-28 04:21:18,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:18,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:21:18,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:18,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:21:18,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:21:18,930 INFO L87 Difference]: Start difference. First operand 637 states and 925 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:20,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:20,260 INFO L93 Difference]: Finished difference Result 1428 states and 2055 transitions. [2024-11-28 04:21:20,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:21:20,260 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-11-28 04:21:20,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:20,266 INFO L225 Difference]: With dead ends: 1428 [2024-11-28 04:21:20,266 INFO L226 Difference]: Without dead ends: 1081 [2024-11-28 04:21:20,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:21:20,268 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 411 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:20,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1635 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:21:20,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2024-11-28 04:21:20,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 803. [2024-11-28 04:21:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 602 states have (on average 1.3488372093023255) internal successors, (812), 603 states have internal predecessors, (812), 178 states have call successors, (178), 22 states have call predecessors, (178), 22 states have return successors, (178), 177 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-28 04:21:20,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1168 transitions. [2024-11-28 04:21:20,355 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1168 transitions. Word has length 221 [2024-11-28 04:21:20,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:20,356 INFO L471 AbstractCegarLoop]: Abstraction has 803 states and 1168 transitions. [2024-11-28 04:21:20,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1168 transitions. [2024-11-28 04:21:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:21:20,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:20,358 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:20,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:21:20,358 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:20,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:20,358 INFO L85 PathProgramCache]: Analyzing trace with hash 668995756, now seen corresponding path program 1 times [2024-11-28 04:21:20,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:20,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101237786] [2024-11-28 04:21:20,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:20,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:21:36,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:36,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101237786] [2024-11-28 04:21:36,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101237786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:36,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:36,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:21:36,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926679017] [2024-11-28 04:21:36,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:36,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:21:36,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:36,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:21:36,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:21:36,746 INFO L87 Difference]: Start difference. First operand 803 states and 1168 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 04:21:39,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:39,998 INFO L93 Difference]: Finished difference Result 1179 states and 1702 transitions. [2024-11-28 04:21:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:21:39,999 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 222 [2024-11-28 04:21:39,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:40,003 INFO L225 Difference]: With dead ends: 1179 [2024-11-28 04:21:40,003 INFO L226 Difference]: Without dead ends: 1003 [2024-11-28 04:21:40,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2024-11-28 04:21:40,005 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 627 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 1595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:40,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 1208 Invalid, 1595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 04:21:40,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-11-28 04:21:40,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 812. [2024-11-28 04:21:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 611 states have (on average 1.34860883797054) internal successors, (824), 612 states have internal predecessors, (824), 178 states have call successors, (178), 22 states have call predecessors, (178), 22 states have return successors, (178), 177 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-28 04:21:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1180 transitions. [2024-11-28 04:21:40,073 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1180 transitions. Word has length 222 [2024-11-28 04:21:40,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:40,074 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1180 transitions. [2024-11-28 04:21:40,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-28 04:21:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1180 transitions. [2024-11-28 04:21:40,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:21:40,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:40,076 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:40,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:21:40,077 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:40,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:40,077 INFO L85 PathProgramCache]: Analyzing trace with hash 82189742, now seen corresponding path program 1 times [2024-11-28 04:21:40,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:40,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726913306] [2024-11-28 04:21:40,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:40,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:21:40,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:40,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726913306] [2024-11-28 04:21:40,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726913306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:40,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:40,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:21:40,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472889007] [2024-11-28 04:21:40,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:40,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:21:40,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:40,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:21:40,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:21:40,273 INFO L87 Difference]: Start difference. First operand 812 states and 1180 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:40,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:40,375 INFO L93 Difference]: Finished difference Result 1654 states and 2376 transitions. [2024-11-28 04:21:40,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:21:40,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 04:21:40,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:40,379 INFO L225 Difference]: With dead ends: 1654 [2024-11-28 04:21:40,379 INFO L226 Difference]: Without dead ends: 1007 [2024-11-28 04:21:40,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:21:40,382 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 39 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:40,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 617 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:21:40,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2024-11-28 04:21:40,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 904. [2024-11-28 04:21:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 693 states have (on average 1.3347763347763348) internal successors, (925), 696 states have internal predecessors, (925), 186 states have call successors, (186), 24 states have call predecessors, (186), 24 states have return successors, (186), 183 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-28 04:21:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1297 transitions. [2024-11-28 04:21:40,459 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1297 transitions. Word has length 222 [2024-11-28 04:21:40,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:40,459 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1297 transitions. [2024-11-28 04:21:40,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1297 transitions. [2024-11-28 04:21:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:21:40,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:40,461 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:40,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:21:40,462 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:40,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:40,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1019947986, now seen corresponding path program 1 times [2024-11-28 04:21:40,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:40,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621912393] [2024-11-28 04:21:40,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:40,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:21:54,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:54,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621912393] [2024-11-28 04:21:54,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621912393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:54,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:54,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:21:54,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866399587] [2024-11-28 04:21:54,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:54,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:21:54,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:54,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:21:54,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:21:54,715 INFO L87 Difference]: Start difference. First operand 904 states and 1297 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:56,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:56,438 INFO L93 Difference]: Finished difference Result 1365 states and 1943 transitions. [2024-11-28 04:21:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:21:56,439 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 04:21:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:56,442 INFO L225 Difference]: With dead ends: 1365 [2024-11-28 04:21:56,442 INFO L226 Difference]: Without dead ends: 1129 [2024-11-28 04:21:56,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:21:56,444 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 291 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:56,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1001 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:21:56,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2024-11-28 04:21:56,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 898. [2024-11-28 04:21:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 687 states have (on average 1.3362445414847162) internal successors, (918), 690 states have internal predecessors, (918), 186 states have call successors, (186), 24 states have call predecessors, (186), 24 states have return successors, (186), 183 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-28 04:21:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1290 transitions. [2024-11-28 04:21:56,522 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1290 transitions. Word has length 222 [2024-11-28 04:21:56,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:56,523 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1290 transitions. [2024-11-28 04:21:56,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1290 transitions. [2024-11-28 04:21:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:21:56,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:56,525 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:56,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:21:56,525 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:56,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:56,526 INFO L85 PathProgramCache]: Analyzing trace with hash 755059376, now seen corresponding path program 1 times [2024-11-28 04:21:56,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:56,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151718537] [2024-11-28 04:21:56,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:56,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:21:56,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:21:56,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:21:56,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151718537] [2024-11-28 04:21:56,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151718537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:21:56,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:21:56,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:21:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335718337] [2024-11-28 04:21:56,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:21:56,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:21:56,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:21:56,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:21:56,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:21:56,688 INFO L87 Difference]: Start difference. First operand 898 states and 1290 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:56,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:21:56,817 INFO L93 Difference]: Finished difference Result 1633 states and 2346 transitions. [2024-11-28 04:21:56,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:21:56,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 04:21:56,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:21:56,823 INFO L225 Difference]: With dead ends: 1633 [2024-11-28 04:21:56,823 INFO L226 Difference]: Without dead ends: 907 [2024-11-28 04:21:56,825 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 [2024-11-28 04:21:56,825 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 67 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:21:56,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 422 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:21:56,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2024-11-28 04:21:56,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 816. [2024-11-28 04:21:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 618 states have (on average 1.3284789644012944) internal successors, (821), 619 states have internal predecessors, (821), 174 states have call successors, (174), 23 states have call predecessors, (174), 23 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:21:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1169 transitions. [2024-11-28 04:21:56,893 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1169 transitions. Word has length 222 [2024-11-28 04:21:56,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:21:56,894 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1169 transitions. [2024-11-28 04:21:56,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:21:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1169 transitions. [2024-11-28 04:21:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:21:56,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:21:56,895 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:21:56,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:21:56,896 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:21:56,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:21:56,896 INFO L85 PathProgramCache]: Analyzing trace with hash 478556970, now seen corresponding path program 1 times [2024-11-28 04:21:56,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:21:56,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252590928] [2024-11-28 04:21:56,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:21:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:21:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:03,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:23:03,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:03,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252590928] [2024-11-28 04:23:03,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252590928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:03,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:03,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:23:03,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34583792] [2024-11-28 04:23:03,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:03,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:23:03,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:03,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:23:03,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:23:03,522 INFO L87 Difference]: Start difference. First operand 816 states and 1169 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:23:07,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:07,681 INFO L93 Difference]: Finished difference Result 1264 states and 1786 transitions. [2024-11-28 04:23:07,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:23:07,681 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-11-28 04:23:07,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:07,685 INFO L225 Difference]: With dead ends: 1264 [2024-11-28 04:23:07,685 INFO L226 Difference]: Without dead ends: 1081 [2024-11-28 04:23:07,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:23:07,686 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 689 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:07,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 1621 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-28 04:23:07,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2024-11-28 04:23:07,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 813. [2024-11-28 04:23:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 615 states have (on average 1.3284552845528455) internal successors, (817), 616 states have internal predecessors, (817), 174 states have call successors, (174), 23 states have call predecessors, (174), 23 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:23:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1165 transitions. [2024-11-28 04:23:07,759 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1165 transitions. Word has length 222 [2024-11-28 04:23:07,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:07,759 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 1165 transitions. [2024-11-28 04:23:07,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:23:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1165 transitions. [2024-11-28 04:23:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:23:07,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:07,761 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:07,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:23:07,762 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:07,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:07,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1109790932, now seen corresponding path program 1 times [2024-11-28 04:23:07,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:07,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507547403] [2024-11-28 04:23:07,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:07,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:23:29,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:29,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507547403] [2024-11-28 04:23:29,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507547403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:29,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:29,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:23:29,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910867061] [2024-11-28 04:23:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:29,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:23:29,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:29,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:23:29,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:23:29,476 INFO L87 Difference]: Start difference. First operand 813 states and 1165 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:23:32,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:32,502 INFO L93 Difference]: Finished difference Result 1661 states and 2338 transitions. [2024-11-28 04:23:32,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:23:32,503 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-11-28 04:23:32,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:32,508 INFO L225 Difference]: With dead ends: 1661 [2024-11-28 04:23:32,509 INFO L226 Difference]: Without dead ends: 1141 [2024-11-28 04:23:32,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:23:32,511 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 404 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:32,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1710 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 04:23:32,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-28 04:23:32,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 811. [2024-11-28 04:23:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 613 states have (on average 1.3278955954323002) internal successors, (814), 614 states have internal predecessors, (814), 174 states have call successors, (174), 23 states have call predecessors, (174), 23 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:23:32,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1162 transitions. [2024-11-28 04:23:32,583 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1162 transitions. Word has length 222 [2024-11-28 04:23:32,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:32,584 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1162 transitions. [2024-11-28 04:23:32,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:23:32,584 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1162 transitions. [2024-11-28 04:23:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:23:32,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:32,586 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:32,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 04:23:32,586 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:32,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:32,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1210386772, now seen corresponding path program 1 times [2024-11-28 04:23:32,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:32,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122218559] [2024-11-28 04:23:32,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:32,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:23:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:23:44,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:23:44,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122218559] [2024-11-28 04:23:44,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122218559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:23:44,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:23:44,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:23:44,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554375092] [2024-11-28 04:23:44,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:23:44,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:23:44,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:23:44,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:23:44,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:23:44,141 INFO L87 Difference]: Start difference. First operand 811 states and 1162 transitions. Second operand has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:23:46,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:23:46,776 INFO L93 Difference]: Finished difference Result 1116 states and 1588 transitions. [2024-11-28 04:23:46,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:23:46,777 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 222 [2024-11-28 04:23:46,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:23:46,781 INFO L225 Difference]: With dead ends: 1116 [2024-11-28 04:23:46,781 INFO L226 Difference]: Without dead ends: 933 [2024-11-28 04:23:46,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:23:46,782 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 579 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:23:46,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1326 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:23:46,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-28 04:23:46,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 812. [2024-11-28 04:23:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 614 states have (on average 1.3289902280130292) internal successors, (816), 615 states have internal predecessors, (816), 174 states have call successors, (174), 23 states have call predecessors, (174), 23 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:23:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1164 transitions. [2024-11-28 04:23:46,851 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1164 transitions. Word has length 222 [2024-11-28 04:23:46,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:23:46,851 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1164 transitions. [2024-11-28 04:23:46,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:23:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1164 transitions. [2024-11-28 04:23:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:23:46,853 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:23:46,853 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:23:46,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 04:23:46,854 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:23:46,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:23:46,854 INFO L85 PathProgramCache]: Analyzing trace with hash 564620590, now seen corresponding path program 1 times [2024-11-28 04:23:46,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:23:46,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043831615] [2024-11-28 04:23:46,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:23:46,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:23:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:24:05,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:05,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043831615] [2024-11-28 04:24:05,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043831615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:24:05,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:24:05,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 04:24:05,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440806791] [2024-11-28 04:24:05,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:24:05,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:24:05,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:24:05,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:24:05,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:24:05,524 INFO L87 Difference]: Start difference. First operand 812 states and 1164 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:24:06,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:06,498 INFO L93 Difference]: Finished difference Result 1126 states and 1601 transitions. [2024-11-28 04:24:06,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:24:06,499 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 04:24:06,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:06,504 INFO L225 Difference]: With dead ends: 1126 [2024-11-28 04:24:06,504 INFO L226 Difference]: Without dead ends: 943 [2024-11-28 04:24:06,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:24:06,505 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 405 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:06,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1082 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:24:06,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2024-11-28 04:24:06,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 812. [2024-11-28 04:24:06,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 614 states have (on average 1.3289902280130292) internal successors, (816), 615 states have internal predecessors, (816), 174 states have call successors, (174), 23 states have call predecessors, (174), 23 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:24:06,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1164 transitions. [2024-11-28 04:24:06,561 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1164 transitions. Word has length 222 [2024-11-28 04:24:06,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:24:06,562 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1164 transitions. [2024-11-28 04:24:06,562 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:24:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1164 transitions. [2024-11-28 04:24:06,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-28 04:24:06,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:24:06,564 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:24:06,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 04:24:06,564 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:24:06,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:24:06,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1496232622, now seen corresponding path program 1 times [2024-11-28 04:24:06,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:24:06,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527452453] [2024-11-28 04:24:06,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:06,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:24:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:24:22,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:22,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527452453] [2024-11-28 04:24:22,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527452453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:24:22,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:24:22,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:24:22,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008199919] [2024-11-28 04:24:22,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:24:22,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:24:22,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:24:22,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:24:22,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:24:22,755 INFO L87 Difference]: Start difference. First operand 812 states and 1164 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:24:24,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:24,261 INFO L93 Difference]: Finished difference Result 1477 states and 2099 transitions. [2024-11-28 04:24:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:24:24,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-11-28 04:24:24,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:24,267 INFO L225 Difference]: With dead ends: 1477 [2024-11-28 04:24:24,267 INFO L226 Difference]: Without dead ends: 971 [2024-11-28 04:24:24,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:24:24,270 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 297 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:24,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1610 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:24:24,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2024-11-28 04:24:24,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 810. [2024-11-28 04:24:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 612 states have (on average 1.3284313725490196) internal successors, (813), 613 states have internal predecessors, (813), 174 states have call successors, (174), 23 states have call predecessors, (174), 23 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:24:24,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1161 transitions. [2024-11-28 04:24:24,359 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1161 transitions. Word has length 222 [2024-11-28 04:24:24,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:24:24,360 INFO L471 AbstractCegarLoop]: Abstraction has 810 states and 1161 transitions. [2024-11-28 04:24:24,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:24:24,360 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1161 transitions. [2024-11-28 04:24:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-28 04:24:24,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:24:24,362 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:24:24,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:24:24,362 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:24:24,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:24:24,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1483714222, now seen corresponding path program 1 times [2024-11-28 04:24:24,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:24:24,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425391912] [2024-11-28 04:24:24,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:24:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:24:37,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:37,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425391912] [2024-11-28 04:24:37,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425391912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:24:37,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:24:37,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:24:37,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215724218] [2024-11-28 04:24:37,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:24:37,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:24:37,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:24:37,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:24:37,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:24:37,549 INFO L87 Difference]: Start difference. First operand 810 states and 1161 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:24:38,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:38,611 INFO L93 Difference]: Finished difference Result 1204 states and 1705 transitions. [2024-11-28 04:24:38,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:24:38,611 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-11-28 04:24:38,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:38,615 INFO L225 Difference]: With dead ends: 1204 [2024-11-28 04:24:38,615 INFO L226 Difference]: Without dead ends: 1021 [2024-11-28 04:24:38,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:24:38,616 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 359 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:38,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 865 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:24:38,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-11-28 04:24:38,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 792. [2024-11-28 04:24:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 594 states have (on average 1.3265993265993266) internal successors, (788), 595 states have internal predecessors, (788), 174 states have call successors, (174), 23 states have call predecessors, (174), 23 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:24:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1136 transitions. [2024-11-28 04:24:38,690 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1136 transitions. Word has length 223 [2024-11-28 04:24:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:24:38,691 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1136 transitions. [2024-11-28 04:24:38,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:24:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1136 transitions. [2024-11-28 04:24:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-28 04:24:38,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:24:38,693 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:24:38,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:24:38,693 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:24:38,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:24:38,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1439777234, now seen corresponding path program 1 times [2024-11-28 04:24:38,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:24:38,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717368020] [2024-11-28 04:24:38,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:38,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:24:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:24:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:24:56,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:24:56,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717368020] [2024-11-28 04:24:56,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717368020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:24:56,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:24:56,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:24:56,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283652651] [2024-11-28 04:24:56,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:24:56,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:24:56,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:24:56,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:24:56,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:24:56,278 INFO L87 Difference]: Start difference. First operand 792 states and 1136 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:24:58,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:24:58,064 INFO L93 Difference]: Finished difference Result 1075 states and 1534 transitions. [2024-11-28 04:24:58,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:24:58,064 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-11-28 04:24:58,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:24:58,069 INFO L225 Difference]: With dead ends: 1075 [2024-11-28 04:24:58,069 INFO L226 Difference]: Without dead ends: 892 [2024-11-28 04:24:58,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:24:58,071 INFO L435 NwaCegarLoop]: 252 mSDtfsCounter, 421 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:24:58,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 1215 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:24:58,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-11-28 04:24:58,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 787. [2024-11-28 04:24:58,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 589 states have (on average 1.3259762308998302) internal successors, (781), 590 states have internal predecessors, (781), 174 states have call successors, (174), 23 states have call predecessors, (174), 23 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:24:58,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1129 transitions. [2024-11-28 04:24:58,120 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1129 transitions. Word has length 223 [2024-11-28 04:24:58,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:24:58,121 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1129 transitions. [2024-11-28 04:24:58,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:24:58,121 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1129 transitions. [2024-11-28 04:24:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:24:58,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:24:58,123 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:24:58,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:24:58,123 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:24:58,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:24:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash 627410847, now seen corresponding path program 1 times [2024-11-28 04:24:58,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:24:58,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198097440] [2024-11-28 04:24:58,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:24:58,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:24:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:00,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:00,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198097440] [2024-11-28 04:25:00,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198097440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:00,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:00,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:25:00,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119207918] [2024-11-28 04:25:00,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:00,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:25:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:00,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:25:00,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:25:00,276 INFO L87 Difference]: Start difference. First operand 787 states and 1129 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:01,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:01,022 INFO L93 Difference]: Finished difference Result 949 states and 1337 transitions. [2024-11-28 04:25:01,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:25:01,023 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 04:25:01,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:01,026 INFO L225 Difference]: With dead ends: 949 [2024-11-28 04:25:01,026 INFO L226 Difference]: Without dead ends: 947 [2024-11-28 04:25:01,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:25:01,027 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 203 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:01,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 1251 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:25:01,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-11-28 04:25:01,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 830. [2024-11-28 04:25:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 629 states have (on average 1.3227344992050873) internal successors, (832), 631 states have internal predecessors, (832), 176 states have call successors, (176), 24 states have call predecessors, (176), 24 states have return successors, (176), 174 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-28 04:25:01,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1184 transitions. [2024-11-28 04:25:01,114 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1184 transitions. Word has length 224 [2024-11-28 04:25:01,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:01,114 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1184 transitions. [2024-11-28 04:25:01,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1184 transitions. [2024-11-28 04:25:01,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:01,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:01,118 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:01,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:25:01,118 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:01,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:01,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1941973151, now seen corresponding path program 1 times [2024-11-28 04:25:01,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:01,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397530206] [2024-11-28 04:25:01,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:01,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:04,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:04,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:04,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397530206] [2024-11-28 04:25:04,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397530206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:04,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:04,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:25:04,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179963745] [2024-11-28 04:25:04,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:04,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:25:04,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:04,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:25:04,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:25:04,398 INFO L87 Difference]: Start difference. First operand 830 states and 1184 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:25:06,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:06,131 INFO L93 Difference]: Finished difference Result 1288 states and 1800 transitions. [2024-11-28 04:25:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:25:06,132 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 224 [2024-11-28 04:25:06,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:06,137 INFO L225 Difference]: With dead ends: 1288 [2024-11-28 04:25:06,137 INFO L226 Difference]: Without dead ends: 1072 [2024-11-28 04:25:06,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:25:06,139 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 330 mSDsluCounter, 1299 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:06,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 1474 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:25:06,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2024-11-28 04:25:06,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 895. [2024-11-28 04:25:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 690 states have (on average 1.326086956521739) internal successors, (915), 691 states have internal predecessors, (915), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1263 transitions. [2024-11-28 04:25:06,192 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1263 transitions. Word has length 224 [2024-11-28 04:25:06,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:06,193 INFO L471 AbstractCegarLoop]: Abstraction has 895 states and 1263 transitions. [2024-11-28 04:25:06,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:25:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1263 transitions. [2024-11-28 04:25:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:06,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:06,194 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:06,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 04:25:06,194 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:06,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:06,194 INFO L85 PathProgramCache]: Analyzing trace with hash -652452831, now seen corresponding path program 1 times [2024-11-28 04:25:06,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:06,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32278896] [2024-11-28 04:25:06,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:06,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:10,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:10,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32278896] [2024-11-28 04:25:10,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32278896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:10,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:10,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 04:25:10,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837195911] [2024-11-28 04:25:10,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:10,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:25:10,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:10,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:25:10,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:25:10,778 INFO L87 Difference]: Start difference. First operand 895 states and 1263 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:12,502 INFO L93 Difference]: Finished difference Result 1263 states and 1734 transitions. [2024-11-28 04:25:12,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:25:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 04:25:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:12,508 INFO L225 Difference]: With dead ends: 1263 [2024-11-28 04:25:12,508 INFO L226 Difference]: Without dead ends: 1261 [2024-11-28 04:25:12,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2024-11-28 04:25:12,509 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 242 mSDsluCounter, 1590 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1787 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:12,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1787 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:25:12,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2024-11-28 04:25:12,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 937. [2024-11-28 04:25:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 732 states have (on average 1.3292349726775956) internal successors, (973), 733 states have internal predecessors, (973), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1321 transitions. [2024-11-28 04:25:12,573 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1321 transitions. Word has length 224 [2024-11-28 04:25:12,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:12,573 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1321 transitions. [2024-11-28 04:25:12,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1321 transitions. [2024-11-28 04:25:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:12,575 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:12,575 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:12,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 04:25:12,575 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:12,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:12,576 INFO L85 PathProgramCache]: Analyzing trace with hash 662109473, now seen corresponding path program 1 times [2024-11-28 04:25:12,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:12,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016750360] [2024-11-28 04:25:12,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:12,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:15,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:15,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016750360] [2024-11-28 04:25:15,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016750360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:15,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:15,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:25:15,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573660507] [2024-11-28 04:25:15,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:15,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:25:15,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:15,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:25:15,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:25:15,824 INFO L87 Difference]: Start difference. First operand 937 states and 1321 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:25:17,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:17,881 INFO L93 Difference]: Finished difference Result 1100 states and 1519 transitions. [2024-11-28 04:25:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:25:17,881 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 224 [2024-11-28 04:25:17,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:17,886 INFO L225 Difference]: With dead ends: 1100 [2024-11-28 04:25:17,886 INFO L226 Difference]: Without dead ends: 1098 [2024-11-28 04:25:17,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:25:17,888 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 303 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:17,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1539 Invalid, 1560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 04:25:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2024-11-28 04:25:17,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 947. [2024-11-28 04:25:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 742 states have (on average 1.330188679245283) internal successors, (987), 743 states have internal predecessors, (987), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1335 transitions. [2024-11-28 04:25:17,971 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1335 transitions. Word has length 224 [2024-11-28 04:25:17,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:17,971 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1335 transitions. [2024-11-28 04:25:17,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:25:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1335 transitions. [2024-11-28 04:25:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:17,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:17,973 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:17,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 04:25:17,973 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:17,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:17,974 INFO L85 PathProgramCache]: Analyzing trace with hash -229751005, now seen corresponding path program 1 times [2024-11-28 04:25:17,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:17,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101103705] [2024-11-28 04:25:17,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:17,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:20,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:20,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101103705] [2024-11-28 04:25:20,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101103705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:20,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:20,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:25:20,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851037400] [2024-11-28 04:25:20,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:20,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:25:20,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:20,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:25:20,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:25:20,015 INFO L87 Difference]: Start difference. First operand 947 states and 1335 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:25:21,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:21,707 INFO L93 Difference]: Finished difference Result 1141 states and 1570 transitions. [2024-11-28 04:25:21,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:25:21,707 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 224 [2024-11-28 04:25:21,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:21,710 INFO L225 Difference]: With dead ends: 1141 [2024-11-28 04:25:21,710 INFO L226 Difference]: Without dead ends: 1139 [2024-11-28 04:25:21,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:25:21,712 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 336 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:21,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 1401 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:25:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2024-11-28 04:25:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 924. [2024-11-28 04:25:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 719 states have (on average 1.3240611961057023) internal successors, (952), 720 states have internal predecessors, (952), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1300 transitions. [2024-11-28 04:25:21,764 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1300 transitions. Word has length 224 [2024-11-28 04:25:21,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:21,764 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1300 transitions. [2024-11-28 04:25:21,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:25:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1300 transitions. [2024-11-28 04:25:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:21,765 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:21,765 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:21,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 04:25:21,765 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:21,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:21,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1995636067, now seen corresponding path program 1 times [2024-11-28 04:25:21,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:21,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266895702] [2024-11-28 04:25:21,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:21,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:23,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:23,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266895702] [2024-11-28 04:25:23,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266895702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:23,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:23,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:25:23,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385217637] [2024-11-28 04:25:23,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:23,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:25:23,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:23,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:25:23,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:25:23,314 INFO L87 Difference]: Start difference. First operand 924 states and 1300 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:24,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:24,651 INFO L93 Difference]: Finished difference Result 1256 states and 1718 transitions. [2024-11-28 04:25:24,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:25:24,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 04:25:24,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:24,656 INFO L225 Difference]: With dead ends: 1256 [2024-11-28 04:25:24,656 INFO L226 Difference]: Without dead ends: 1254 [2024-11-28 04:25:24,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:25:24,658 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 153 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:24,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1567 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:25:24,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-28 04:25:24,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 984. [2024-11-28 04:25:24,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 779 states have (on average 1.3247753530166881) internal successors, (1032), 780 states have internal predecessors, (1032), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1380 transitions. [2024-11-28 04:25:24,733 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1380 transitions. Word has length 224 [2024-11-28 04:25:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:24,734 INFO L471 AbstractCegarLoop]: Abstraction has 984 states and 1380 transitions. [2024-11-28 04:25:24,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1380 transitions. [2024-11-28 04:25:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:24,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:24,736 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:24,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 04:25:24,736 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:24,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:24,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1019467551, now seen corresponding path program 1 times [2024-11-28 04:25:24,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:24,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545147571] [2024-11-28 04:25:24,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:24,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:26,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:26,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545147571] [2024-11-28 04:25:26,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545147571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:26,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:26,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:25:26,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18802537] [2024-11-28 04:25:26,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:26,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:25:26,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:26,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:25:26,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:25:26,819 INFO L87 Difference]: Start difference. First operand 984 states and 1380 transitions. Second operand has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:28,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:28,703 INFO L93 Difference]: Finished difference Result 1429 states and 1949 transitions. [2024-11-28 04:25:28,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:25:28,704 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 04:25:28,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:28,709 INFO L225 Difference]: With dead ends: 1429 [2024-11-28 04:25:28,709 INFO L226 Difference]: Without dead ends: 1427 [2024-11-28 04:25:28,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-28 04:25:28,710 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 221 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:28,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1795 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:25:28,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2024-11-28 04:25:28,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1026. [2024-11-28 04:25:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 821 states have (on average 1.3313032886723508) internal successors, (1093), 822 states have internal predecessors, (1093), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1441 transitions. [2024-11-28 04:25:28,801 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1441 transitions. Word has length 224 [2024-11-28 04:25:28,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:28,801 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1441 transitions. [2024-11-28 04:25:28,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8) internal successors, (57), 15 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1441 transitions. [2024-11-28 04:25:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:28,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:28,803 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:28,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 04:25:28,803 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:28,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1924949791, now seen corresponding path program 1 times [2024-11-28 04:25:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:28,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939530410] [2024-11-28 04:25:28,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:30,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:30,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939530410] [2024-11-28 04:25:30,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939530410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:30,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:30,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 04:25:30,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849823250] [2024-11-28 04:25:30,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:30,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:25:30,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:30,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:25:30,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:25:30,164 INFO L87 Difference]: Start difference. First operand 1026 states and 1441 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:30,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:30,973 INFO L93 Difference]: Finished difference Result 1776 states and 2432 transitions. [2024-11-28 04:25:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:25:30,974 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 04:25:30,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:30,980 INFO L225 Difference]: With dead ends: 1776 [2024-11-28 04:25:30,980 INFO L226 Difference]: Without dead ends: 1483 [2024-11-28 04:25:30,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:25:30,982 INFO L435 NwaCegarLoop]: 316 mSDtfsCounter, 272 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:30,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1524 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:25:30,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2024-11-28 04:25:31,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1031. [2024-11-28 04:25:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 826 states have (on average 1.328087167070218) internal successors, (1097), 827 states have internal predecessors, (1097), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:31,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1445 transitions. [2024-11-28 04:25:31,113 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1445 transitions. Word has length 224 [2024-11-28 04:25:31,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:31,114 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1445 transitions. [2024-11-28 04:25:31,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:31,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1445 transitions. [2024-11-28 04:25:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:31,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:31,116 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:31,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 04:25:31,116 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:31,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash 645086113, now seen corresponding path program 1 times [2024-11-28 04:25:31,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:31,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554211092] [2024-11-28 04:25:31,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:31,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:36,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:36,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554211092] [2024-11-28 04:25:36,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554211092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:36,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:36,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-28 04:25:36,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917748794] [2024-11-28 04:25:36,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:36,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 04:25:36,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:36,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 04:25:36,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:25:36,578 INFO L87 Difference]: Start difference. First operand 1031 states and 1445 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:25:44,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:44,314 INFO L93 Difference]: Finished difference Result 1358 states and 1864 transitions. [2024-11-28 04:25:44,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 04:25:44,315 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 224 [2024-11-28 04:25:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:44,318 INFO L225 Difference]: With dead ends: 1358 [2024-11-28 04:25:44,318 INFO L226 Difference]: Without dead ends: 1356 [2024-11-28 04:25:44,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=402, Invalid=1490, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 04:25:44,319 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 654 mSDsluCounter, 2453 mSDsCounter, 0 mSdLazyCounter, 3672 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 3672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:44,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 2723 Invalid, 3835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 3672 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-28 04:25:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2024-11-28 04:25:44,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1032. [2024-11-28 04:25:44,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 827 states have (on average 1.3276904474002418) internal successors, (1098), 828 states have internal predecessors, (1098), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1446 transitions. [2024-11-28 04:25:44,396 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1446 transitions. Word has length 224 [2024-11-28 04:25:44,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:44,396 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1446 transitions. [2024-11-28 04:25:44,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:25:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1446 transitions. [2024-11-28 04:25:44,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:44,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:44,397 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:44,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 04:25:44,397 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:44,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:44,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1442169377, now seen corresponding path program 1 times [2024-11-28 04:25:44,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:44,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016365475] [2024-11-28 04:25:44,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:44,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:47,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:47,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016365475] [2024-11-28 04:25:47,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016365475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:47,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:47,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 04:25:47,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8592495] [2024-11-28 04:25:47,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:47,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:25:47,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:47,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:25:47,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:25:47,225 INFO L87 Difference]: Start difference. First operand 1032 states and 1446 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:49,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:49,837 INFO L93 Difference]: Finished difference Result 1439 states and 1962 transitions. [2024-11-28 04:25:49,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 04:25:49,838 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 04:25:49,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:49,842 INFO L225 Difference]: With dead ends: 1439 [2024-11-28 04:25:49,842 INFO L226 Difference]: Without dead ends: 1437 [2024-11-28 04:25:49,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2024-11-28 04:25:49,843 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 279 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:49,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 1536 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:25:49,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2024-11-28 04:25:49,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1032. [2024-11-28 04:25:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 827 states have (on average 1.3276904474002418) internal successors, (1098), 828 states have internal predecessors, (1098), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:49,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1446 transitions. [2024-11-28 04:25:49,910 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1446 transitions. Word has length 224 [2024-11-28 04:25:49,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:49,910 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1446 transitions. [2024-11-28 04:25:49,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1446 transitions. [2024-11-28 04:25:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-28 04:25:49,911 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:49,911 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:49,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 04:25:49,911 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:49,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:49,912 INFO L85 PathProgramCache]: Analyzing trace with hash -246774365, now seen corresponding path program 1 times [2024-11-28 04:25:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:49,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608694267] [2024-11-28 04:25:49,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:49,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:53,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:53,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608694267] [2024-11-28 04:25:53,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608694267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:53,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:53,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 04:25:53,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317638654] [2024-11-28 04:25:53,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:53,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:25:53,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:53,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:25:53,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:25:53,699 INFO L87 Difference]: Start difference. First operand 1032 states and 1446 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:55,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:55,304 INFO L93 Difference]: Finished difference Result 1283 states and 1751 transitions. [2024-11-28 04:25:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:25:55,304 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-11-28 04:25:55,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:55,307 INFO L225 Difference]: With dead ends: 1283 [2024-11-28 04:25:55,307 INFO L226 Difference]: Without dead ends: 1281 [2024-11-28 04:25:55,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:25:55,309 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 129 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:55,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 1819 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:25:55,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2024-11-28 04:25:55,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1012. [2024-11-28 04:25:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 807 states have (on average 1.3172242874845106) internal successors, (1063), 808 states have internal predecessors, (1063), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1411 transitions. [2024-11-28 04:25:55,390 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1411 transitions. Word has length 224 [2024-11-28 04:25:55,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:55,390 INFO L471 AbstractCegarLoop]: Abstraction has 1012 states and 1411 transitions. [2024-11-28 04:25:55,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1411 transitions. [2024-11-28 04:25:55,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 04:25:55,392 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:55,392 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:55,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 04:25:55,392 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:55,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:55,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1257962824, now seen corresponding path program 1 times [2024-11-28 04:25:55,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:55,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154100990] [2024-11-28 04:25:55,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:55,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:55,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:55,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154100990] [2024-11-28 04:25:55,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154100990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:55,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:55,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:55,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694247125] [2024-11-28 04:25:55,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:55,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:25:55,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:55,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:25:55,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:25:55,537 INFO L87 Difference]: Start difference. First operand 1012 states and 1411 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:55,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:55,916 INFO L93 Difference]: Finished difference Result 2125 states and 2929 transitions. [2024-11-28 04:25:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:25:55,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 04:25:55,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:55,922 INFO L225 Difference]: With dead ends: 2125 [2024-11-28 04:25:55,922 INFO L226 Difference]: Without dead ends: 1257 [2024-11-28 04:25:55,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:55,924 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 65 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:55,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 737 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:25:55,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-11-28 04:25:56,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1032. [2024-11-28 04:25:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1032 states, 827 states have (on average 1.3180169286577992) internal successors, (1090), 828 states have internal predecessors, (1090), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:56,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1438 transitions. [2024-11-28 04:25:56,047 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1438 transitions. Word has length 226 [2024-11-28 04:25:56,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:56,048 INFO L471 AbstractCegarLoop]: Abstraction has 1032 states and 1438 transitions. [2024-11-28 04:25:56,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:56,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1438 transitions. [2024-11-28 04:25:56,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-28 04:25:56,049 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:56,049 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:56,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 04:25:56,050 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:56,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:56,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1644418694, now seen corresponding path program 1 times [2024-11-28 04:25:56,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:56,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499989022] [2024-11-28 04:25:56,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:56,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:56,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:56,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499989022] [2024-11-28 04:25:56,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499989022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:56,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:56,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:25:56,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219451513] [2024-11-28 04:25:56,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:56,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:25:56,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:56,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:25:56,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:25:56,181 INFO L87 Difference]: Start difference. First operand 1032 states and 1438 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:56,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:56,472 INFO L93 Difference]: Finished difference Result 2332 states and 3209 transitions. [2024-11-28 04:25:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:25:56,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-11-28 04:25:56,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:56,476 INFO L225 Difference]: With dead ends: 2332 [2024-11-28 04:25:56,476 INFO L226 Difference]: Without dead ends: 1444 [2024-11-28 04:25:56,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:25:56,478 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 67 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:56,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 686 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:25:56,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2024-11-28 04:25:56,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1223. [2024-11-28 04:25:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1018 states have (on average 1.3271119842829076) internal successors, (1351), 1019 states have internal predecessors, (1351), 174 states have call successors, (174), 30 states have call predecessors, (174), 30 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1699 transitions. [2024-11-28 04:25:56,568 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1699 transitions. Word has length 226 [2024-11-28 04:25:56,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:56,569 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1699 transitions. [2024-11-28 04:25:56,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:56,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1699 transitions. [2024-11-28 04:25:56,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-28 04:25:56,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:56,571 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:56,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 04:25:56,571 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:56,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:56,571 INFO L85 PathProgramCache]: Analyzing trace with hash 870351410, now seen corresponding path program 1 times [2024-11-28 04:25:56,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:56,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514185727] [2024-11-28 04:25:56,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:56,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:56,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:56,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514185727] [2024-11-28 04:25:56,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514185727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:56,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:56,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:25:56,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802506694] [2024-11-28 04:25:56,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:56,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:25:56,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:56,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:25:56,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:25:56,666 INFO L87 Difference]: Start difference. First operand 1223 states and 1699 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:56,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:56,907 INFO L93 Difference]: Finished difference Result 2771 states and 3790 transitions. [2024-11-28 04:25:56,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:25:56,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-11-28 04:25:56,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:56,914 INFO L225 Difference]: With dead ends: 2771 [2024-11-28 04:25:56,914 INFO L226 Difference]: Without dead ends: 1695 [2024-11-28 04:25:56,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:25:56,917 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 55 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:56,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 367 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:25:56,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2024-11-28 04:25:57,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1676. [2024-11-28 04:25:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1429 states have (on average 1.2876137158852343) internal successors, (1840), 1435 states have internal predecessors, (1840), 202 states have call successors, (202), 44 states have call predecessors, (202), 44 states have return successors, (202), 196 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-28 04:25:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2244 transitions. [2024-11-28 04:25:57,141 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2244 transitions. Word has length 227 [2024-11-28 04:25:57,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:57,141 INFO L471 AbstractCegarLoop]: Abstraction has 1676 states and 2244 transitions. [2024-11-28 04:25:57,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:57,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2244 transitions. [2024-11-28 04:25:57,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:25:57,143 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:57,143 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:57,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 04:25:57,144 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:57,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:57,144 INFO L85 PathProgramCache]: Analyzing trace with hash 625106622, now seen corresponding path program 1 times [2024-11-28 04:25:57,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:57,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722253108] [2024-11-28 04:25:57,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:57,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:25:57,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:25:57,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:25:57,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722253108] [2024-11-28 04:25:57,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722253108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:25:57,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:25:57,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:25:57,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603137543] [2024-11-28 04:25:57,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:25:57,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:25:57,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:25:57,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:25:57,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:25:57,241 INFO L87 Difference]: Start difference. First operand 1676 states and 2244 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:57,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:25:57,497 INFO L93 Difference]: Finished difference Result 3036 states and 4057 transitions. [2024-11-28 04:25:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:25:57,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:25:57,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:25:57,504 INFO L225 Difference]: With dead ends: 3036 [2024-11-28 04:25:57,504 INFO L226 Difference]: Without dead ends: 1527 [2024-11-28 04:25:57,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:25:57,507 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 43 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:25:57,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 365 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:25:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2024-11-28 04:25:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1372. [2024-11-28 04:25:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1372 states, 1162 states have (on average 1.2874354561101549) internal successors, (1496), 1163 states have internal predecessors, (1496), 174 states have call successors, (174), 35 states have call predecessors, (174), 35 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:25:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1844 transitions. [2024-11-28 04:25:57,650 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1844 transitions. Word has length 228 [2024-11-28 04:25:57,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:25:57,651 INFO L471 AbstractCegarLoop]: Abstraction has 1372 states and 1844 transitions. [2024-11-28 04:25:57,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:25:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1844 transitions. [2024-11-28 04:25:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:25:57,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:25:57,653 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:25:57,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 04:25:57,654 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:25:57,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:25:57,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1129001951, now seen corresponding path program 1 times [2024-11-28 04:25:57,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:25:57,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771604693] [2024-11-28 04:25:57,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:25:57,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:25:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:26:04,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:04,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771604693] [2024-11-28 04:26:04,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771604693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:04,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:04,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-28 04:26:04,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620885380] [2024-11-28 04:26:04,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:04,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:26:04,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:04,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:26:04,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:26:04,865 INFO L87 Difference]: Start difference. First operand 1372 states and 1844 transitions. Second operand has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:26:11,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:11,907 INFO L93 Difference]: Finished difference Result 1940 states and 2528 transitions. [2024-11-28 04:26:11,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 04:26:11,907 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 228 [2024-11-28 04:26:11,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:11,911 INFO L225 Difference]: With dead ends: 1940 [2024-11-28 04:26:11,911 INFO L226 Difference]: Without dead ends: 1938 [2024-11-28 04:26:11,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=239, Invalid=951, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 04:26:11,912 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 439 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 1927 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 1949 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:26:11,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 1949 Invalid, 1951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1927 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-28 04:26:11,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2024-11-28 04:26:12,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1412. [2024-11-28 04:26:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1201 states have (on average 1.2880932556203164) internal successors, (1547), 1202 states have internal predecessors, (1547), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:26:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1895 transitions. [2024-11-28 04:26:12,071 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1895 transitions. Word has length 228 [2024-11-28 04:26:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:12,071 INFO L471 AbstractCegarLoop]: Abstraction has 1412 states and 1895 transitions. [2024-11-28 04:26:12,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:26:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1895 transitions. [2024-11-28 04:26:12,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:26:12,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:12,074 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:12,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-28 04:26:12,074 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:12,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:12,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1702991071, now seen corresponding path program 1 times [2024-11-28 04:26:12,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:12,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497667513] [2024-11-28 04:26:12,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:12,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:14,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:26:14,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:14,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497667513] [2024-11-28 04:26:14,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497667513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:14,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:14,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:26:14,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067861396] [2024-11-28 04:26:14,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:14,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:26:14,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:14,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:26:14,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:26:14,112 INFO L87 Difference]: Start difference. First operand 1412 states and 1895 transitions. Second operand has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:16,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:16,077 INFO L93 Difference]: Finished difference Result 1766 states and 2347 transitions. [2024-11-28 04:26:16,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:26:16,078 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:26:16,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:16,083 INFO L225 Difference]: With dead ends: 1766 [2024-11-28 04:26:16,083 INFO L226 Difference]: Without dead ends: 1764 [2024-11-28 04:26:16,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:26:16,085 INFO L435 NwaCegarLoop]: 387 mSDtfsCounter, 290 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 2597 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:26:16,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 2597 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 04:26:16,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2024-11-28 04:26:16,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1418. [2024-11-28 04:26:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 1207 states have (on average 1.2899751449875725) internal successors, (1557), 1208 states have internal predecessors, (1557), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:26:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1905 transitions. [2024-11-28 04:26:16,250 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1905 transitions. Word has length 228 [2024-11-28 04:26:16,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:16,251 INFO L471 AbstractCegarLoop]: Abstraction has 1418 states and 1905 transitions. [2024-11-28 04:26:16,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1905 transitions. [2024-11-28 04:26:16,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:26:16,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:16,253 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:16,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 04:26:16,253 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:16,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:16,254 INFO L85 PathProgramCache]: Analyzing trace with hash -459345951, now seen corresponding path program 1 times [2024-11-28 04:26:16,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:16,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966981056] [2024-11-28 04:26:16,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:16,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:18,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:26:18,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:18,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966981056] [2024-11-28 04:26:18,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966981056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:18,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:18,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-28 04:26:18,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152741482] [2024-11-28 04:26:18,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:18,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:26:18,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:18,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:26:18,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:26:18,465 INFO L87 Difference]: Start difference. First operand 1418 states and 1905 transitions. Second operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:19,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:19,824 INFO L93 Difference]: Finished difference Result 1945 states and 2537 transitions. [2024-11-28 04:26:19,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 04:26:19,825 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:26:19,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:19,829 INFO L225 Difference]: With dead ends: 1945 [2024-11-28 04:26:19,829 INFO L226 Difference]: Without dead ends: 1943 [2024-11-28 04:26:19,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:26:19,830 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 268 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1173 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:26:19,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1173 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:26:19,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2024-11-28 04:26:19,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1444. [2024-11-28 04:26:19,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1233 states have (on average 1.289537712895377) internal successors, (1590), 1234 states have internal predecessors, (1590), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:26:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1938 transitions. [2024-11-28 04:26:19,930 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1938 transitions. Word has length 228 [2024-11-28 04:26:19,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:19,930 INFO L471 AbstractCegarLoop]: Abstraction has 1444 states and 1938 transitions. [2024-11-28 04:26:19,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1938 transitions. [2024-11-28 04:26:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:26:19,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:19,932 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:19,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-28 04:26:19,933 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:19,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:19,933 INFO L85 PathProgramCache]: Analyzing trace with hash 114643169, now seen corresponding path program 1 times [2024-11-28 04:26:19,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:19,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760841994] [2024-11-28 04:26:19,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:19,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:26:27,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:27,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760841994] [2024-11-28 04:26:27,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760841994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:27,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:27,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-28 04:26:27,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107186631] [2024-11-28 04:26:27,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:27,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:26:27,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:27,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:26:27,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:26:27,261 INFO L87 Difference]: Start difference. First operand 1444 states and 1938 transitions. Second operand has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:30,633 INFO L93 Difference]: Finished difference Result 2383 states and 3127 transitions. [2024-11-28 04:26:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 04:26:30,634 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:26:30,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:30,641 INFO L225 Difference]: With dead ends: 2383 [2024-11-28 04:26:30,641 INFO L226 Difference]: Without dead ends: 2381 [2024-11-28 04:26:30,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=194, Invalid=928, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 04:26:30,642 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 297 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 1787 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:26:30,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 2432 Invalid, 1834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1787 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-28 04:26:30,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2024-11-28 04:26:30,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1466. [2024-11-28 04:26:30,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1255 states have (on average 1.2924302788844622) internal successors, (1622), 1256 states have internal predecessors, (1622), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:26:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1970 transitions. [2024-11-28 04:26:30,830 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1970 transitions. Word has length 228 [2024-11-28 04:26:30,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:30,831 INFO L471 AbstractCegarLoop]: Abstraction has 1466 states and 1970 transitions. [2024-11-28 04:26:30,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1970 transitions. [2024-11-28 04:26:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:26:30,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:30,833 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:30,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-28 04:26:30,833 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:30,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:30,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1269550561, now seen corresponding path program 1 times [2024-11-28 04:26:30,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:30,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528011656] [2024-11-28 04:26:30,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:30,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:26:33,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:33,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528011656] [2024-11-28 04:26:33,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528011656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:33,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:33,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:26:33,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473818679] [2024-11-28 04:26:33,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:33,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:26:33,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:33,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:26:33,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:26:33,029 INFO L87 Difference]: Start difference. First operand 1466 states and 1970 transitions. Second operand has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:34,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:34,224 INFO L93 Difference]: Finished difference Result 1738 states and 2280 transitions. [2024-11-28 04:26:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:26:34,224 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:26:34,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:34,228 INFO L225 Difference]: With dead ends: 1738 [2024-11-28 04:26:34,228 INFO L226 Difference]: Without dead ends: 1736 [2024-11-28 04:26:34,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:26:34,229 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 161 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:26:34,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1459 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:26:34,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2024-11-28 04:26:34,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1460. [2024-11-28 04:26:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1460 states, 1249 states have (on average 1.2922337870296237) internal successors, (1614), 1250 states have internal predecessors, (1614), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:26:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 1962 transitions. [2024-11-28 04:26:34,393 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 1962 transitions. Word has length 228 [2024-11-28 04:26:34,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:34,393 INFO L471 AbstractCegarLoop]: Abstraction has 1460 states and 1962 transitions. [2024-11-28 04:26:34,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1962 transitions. [2024-11-28 04:26:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:26:34,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:34,394 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:34,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-28 04:26:34,394 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:34,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:34,395 INFO L85 PathProgramCache]: Analyzing trace with hash -318797341, now seen corresponding path program 1 times [2024-11-28 04:26:34,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:34,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667886799] [2024-11-28 04:26:34,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:34,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:26:37,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:37,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667886799] [2024-11-28 04:26:37,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667886799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:37,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:37,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:26:37,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276879473] [2024-11-28 04:26:37,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:37,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:26:37,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:37,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:26:37,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:26:37,912 INFO L87 Difference]: Start difference. First operand 1460 states and 1962 transitions. Second operand has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:39,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:39,239 INFO L93 Difference]: Finished difference Result 1736 states and 2273 transitions. [2024-11-28 04:26:39,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:26:39,240 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:26:39,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:39,250 INFO L225 Difference]: With dead ends: 1736 [2024-11-28 04:26:39,250 INFO L226 Difference]: Without dead ends: 1734 [2024-11-28 04:26:39,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:26:39,251 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 184 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:26:39,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 1848 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:26:39,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-28 04:26:39,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1450. [2024-11-28 04:26:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1239 states have (on average 1.29136400322841) internal successors, (1600), 1240 states have internal predecessors, (1600), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:26:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1948 transitions. [2024-11-28 04:26:39,453 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1948 transitions. Word has length 228 [2024-11-28 04:26:39,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:39,453 INFO L471 AbstractCegarLoop]: Abstraction has 1450 states and 1948 transitions. [2024-11-28 04:26:39,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1948 transitions. [2024-11-28 04:26:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:26:39,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:39,455 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:39,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-28 04:26:39,455 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:39,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:39,456 INFO L85 PathProgramCache]: Analyzing trace with hash 255191779, now seen corresponding path program 1 times [2024-11-28 04:26:39,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:39,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394407391] [2024-11-28 04:26:39,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:41,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:26:41,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:41,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394407391] [2024-11-28 04:26:41,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394407391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:41,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:41,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:26:41,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062102369] [2024-11-28 04:26:41,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:41,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:26:41,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:41,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:26:41,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:26:41,568 INFO L87 Difference]: Start difference. First operand 1450 states and 1948 transitions. Second operand has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:43,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:43,390 INFO L93 Difference]: Finished difference Result 1829 states and 2421 transitions. [2024-11-28 04:26:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:26:43,390 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:26:43,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:43,394 INFO L225 Difference]: With dead ends: 1829 [2024-11-28 04:26:43,394 INFO L226 Difference]: Without dead ends: 1827 [2024-11-28 04:26:43,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:26:43,395 INFO L435 NwaCegarLoop]: 367 mSDtfsCounter, 269 mSDsluCounter, 2028 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:26:43,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 2395 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:26:43,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-11-28 04:26:43,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1408. [2024-11-28 04:26:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 1197 states have (on average 1.2857142857142858) internal successors, (1539), 1198 states have internal predecessors, (1539), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:26:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1887 transitions. [2024-11-28 04:26:43,498 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1887 transitions. Word has length 228 [2024-11-28 04:26:43,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:43,499 INFO L471 AbstractCegarLoop]: Abstraction has 1408 states and 1887 transitions. [2024-11-28 04:26:43,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:26:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1887 transitions. [2024-11-28 04:26:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:26:43,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:43,500 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:26:43,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-28 04:26:43,500 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:43,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:43,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1094244189, now seen corresponding path program 1 times [2024-11-28 04:26:43,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:43,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942316946] [2024-11-28 04:26:43,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:43,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:26:53,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:53,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942316946] [2024-11-28 04:26:53,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942316946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:53,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:53,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-28 04:26:53,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073753058] [2024-11-28 04:26:53,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:53,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 04:26:53,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:53,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 04:26:53,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:26:53,429 INFO L87 Difference]: Start difference. First operand 1408 states and 1887 transitions. Second operand has 25 states, 25 states have (on average 2.44) internal successors, (61), 25 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:27:01,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:01,444 INFO L93 Difference]: Finished difference Result 2174 states and 2818 transitions. [2024-11-28 04:27:01,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 04:27:01,444 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 25 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 228 [2024-11-28 04:27:01,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:01,450 INFO L225 Difference]: With dead ends: 2174 [2024-11-28 04:27:01,450 INFO L226 Difference]: Without dead ends: 2172 [2024-11-28 04:27:01,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=346, Invalid=1634, Unknown=0, NotChecked=0, Total=1980 [2024-11-28 04:27:01,452 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 769 mSDsluCounter, 2104 mSDsCounter, 0 mSdLazyCounter, 3808 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 2337 SdHoareTripleChecker+Invalid, 3985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 3808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:01,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 2337 Invalid, 3985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 3808 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 04:27:01,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2024-11-28 04:27:01,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 1405. [2024-11-28 04:27:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 1194 states have (on average 1.2855946398659968) internal successors, (1535), 1195 states have internal predecessors, (1535), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:27:01,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 1883 transitions. [2024-11-28 04:27:01,636 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 1883 transitions. Word has length 228 [2024-11-28 04:27:01,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:01,637 INFO L471 AbstractCegarLoop]: Abstraction has 1405 states and 1883 transitions. [2024-11-28 04:27:01,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.44) internal successors, (61), 25 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:27:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1883 transitions. [2024-11-28 04:27:01,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:27:01,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:01,639 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:01,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-28 04:27:01,639 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:27:01,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:01,639 INFO L85 PathProgramCache]: Analyzing trace with hash -494103713, now seen corresponding path program 1 times [2024-11-28 04:27:01,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:01,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513469215] [2024-11-28 04:27:01,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:27:04,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:04,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513469215] [2024-11-28 04:27:04,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513469215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:04,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:04,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-28 04:27:04,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854207429] [2024-11-28 04:27:04,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:04,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:27:04,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:04,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:27:04,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:27:04,821 INFO L87 Difference]: Start difference. First operand 1405 states and 1883 transitions. Second operand has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:27:07,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:07,152 INFO L93 Difference]: Finished difference Result 1722 states and 2249 transitions. [2024-11-28 04:27:07,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:27:07,153 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:27:07,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:07,157 INFO L225 Difference]: With dead ends: 1722 [2024-11-28 04:27:07,157 INFO L226 Difference]: Without dead ends: 1720 [2024-11-28 04:27:07,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-11-28 04:27:07,159 INFO L435 NwaCegarLoop]: 258 mSDtfsCounter, 292 mSDsluCounter, 1435 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:07,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 1693 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:27:07,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2024-11-28 04:27:07,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1402. [2024-11-28 04:27:07,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 1191 states have (on average 1.2863140218303946) internal successors, (1532), 1192 states have internal predecessors, (1532), 174 states have call successors, (174), 36 states have call predecessors, (174), 36 states have return successors, (174), 173 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-28 04:27:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1880 transitions. [2024-11-28 04:27:07,344 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1880 transitions. Word has length 228 [2024-11-28 04:27:07,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:07,344 INFO L471 AbstractCegarLoop]: Abstraction has 1402 states and 1880 transitions. [2024-11-28 04:27:07,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.388888888888889) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:27:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1880 transitions. [2024-11-28 04:27:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:27:07,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:07,346 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:07,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-28 04:27:07,346 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:27:07,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:07,347 INFO L85 PathProgramCache]: Analyzing trace with hash -711194145, now seen corresponding path program 1 times [2024-11-28 04:27:07,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:07,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729392565] [2024-11-28 04:27:07,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:07,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:27:09,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:09,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729392565] [2024-11-28 04:27:09,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729392565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:09,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:09,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-28 04:27:09,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938470458] [2024-11-28 04:27:09,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:09,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:27:09,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:09,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:27:09,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:27:09,858 INFO L87 Difference]: Start difference. First operand 1402 states and 1880 transitions. Second operand has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:27:14,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:14,648 INFO L93 Difference]: Finished difference Result 2344 states and 3059 transitions. [2024-11-28 04:27:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 04:27:14,648 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:27:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:14,653 INFO L225 Difference]: With dead ends: 2344 [2024-11-28 04:27:14,653 INFO L226 Difference]: Without dead ends: 2342 [2024-11-28 04:27:14,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=194, Invalid=862, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 04:27:14,655 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 473 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 2932 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 2952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:14,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 2359 Invalid, 2952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2932 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-28 04:27:14,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2342 states. [2024-11-28 04:27:14,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2342 to 1803. [2024-11-28 04:27:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1546 states have (on average 1.2917205692108666) internal successors, (1997), 1548 states have internal predecessors, (1997), 212 states have call successors, (212), 44 states have call predecessors, (212), 44 states have return successors, (212), 210 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-28 04:27:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2421 transitions. [2024-11-28 04:27:14,914 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2421 transitions. Word has length 228 [2024-11-28 04:27:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:14,914 INFO L471 AbstractCegarLoop]: Abstraction has 1803 states and 2421 transitions. [2024-11-28 04:27:14,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:27:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2421 transitions. [2024-11-28 04:27:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:27:14,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:14,916 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:14,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-28 04:27:14,916 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:27:14,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:14,917 INFO L85 PathProgramCache]: Analyzing trace with hash -137205025, now seen corresponding path program 1 times [2024-11-28 04:27:14,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:14,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936039675] [2024-11-28 04:27:14,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:14,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:27:34,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:34,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936039675] [2024-11-28 04:27:34,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936039675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:34,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:34,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:27:34,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505173767] [2024-11-28 04:27:34,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:34,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:27:34,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:34,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:27:34,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:27:34,025 INFO L87 Difference]: Start difference. First operand 1803 states and 2421 transitions. Second operand has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:27:42,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:42,104 INFO L93 Difference]: Finished difference Result 3357 states and 4451 transitions. [2024-11-28 04:27:42,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 04:27:42,105 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:27:42,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:42,110 INFO L225 Difference]: With dead ends: 3357 [2024-11-28 04:27:42,110 INFO L226 Difference]: Without dead ends: 2547 [2024-11-28 04:27:42,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=199, Invalid=793, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:27:42,113 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 354 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:42,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1871 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-28 04:27:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2024-11-28 04:27:42,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 1907. [2024-11-28 04:27:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1907 states, 1650 states have (on average 1.3006060606060605) internal successors, (2146), 1652 states have internal predecessors, (2146), 212 states have call successors, (212), 44 states have call predecessors, (212), 44 states have return successors, (212), 210 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-28 04:27:42,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1907 states and 2570 transitions. [2024-11-28 04:27:42,376 INFO L78 Accepts]: Start accepts. Automaton has 1907 states and 2570 transitions. Word has length 228 [2024-11-28 04:27:42,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:42,376 INFO L471 AbstractCegarLoop]: Abstraction has 1907 states and 2570 transitions. [2024-11-28 04:27:42,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:27:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2570 transitions. [2024-11-28 04:27:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:27:42,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:42,378 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:42,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-28 04:27:42,378 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:27:42,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1995425249, now seen corresponding path program 1 times [2024-11-28 04:27:42,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:42,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768629101] [2024-11-28 04:27:42,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:42,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:27:47,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:47,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768629101] [2024-11-28 04:27:47,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768629101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:47,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:47,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-28 04:27:47,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818442719] [2024-11-28 04:27:47,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:47,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:27:47,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:47,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:27:47,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:27:47,848 INFO L87 Difference]: Start difference. First operand 1907 states and 2570 transitions. Second operand has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:27:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:51,090 INFO L93 Difference]: Finished difference Result 2887 states and 3763 transitions. [2024-11-28 04:27:51,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:27:51,090 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:27:51,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:51,094 INFO L225 Difference]: With dead ends: 2887 [2024-11-28 04:27:51,094 INFO L226 Difference]: Without dead ends: 2885 [2024-11-28 04:27:51,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=148, Invalid=608, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:27:51,095 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 205 mSDsluCounter, 2210 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 2481 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:27:51,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 2481 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1638 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 04:27:51,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2024-11-28 04:27:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 1928. [2024-11-28 04:27:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1671 states have (on average 1.301017354877319) internal successors, (2174), 1673 states have internal predecessors, (2174), 212 states have call successors, (212), 44 states have call predecessors, (212), 44 states have return successors, (212), 210 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-28 04:27:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2598 transitions. [2024-11-28 04:27:51,255 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2598 transitions. Word has length 228 [2024-11-28 04:27:51,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:51,255 INFO L471 AbstractCegarLoop]: Abstraction has 1928 states and 2598 transitions. [2024-11-28 04:27:51,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:27:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2598 transitions. [2024-11-28 04:27:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:27:51,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:51,256 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:51,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-28 04:27:51,256 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:27:51,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1234792799, now seen corresponding path program 1 times [2024-11-28 04:27:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:51,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103821372] [2024-11-28 04:27:51,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:27:55,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:55,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103821372] [2024-11-28 04:27:55,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103821372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:55,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:55,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-28 04:27:55,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120370297] [2024-11-28 04:27:55,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:55,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:27:55,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:55,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:27:55,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:27:55,547 INFO L87 Difference]: Start difference. First operand 1928 states and 2598 transitions. Second operand has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:28:01,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:01,102 INFO L93 Difference]: Finished difference Result 2382 states and 3125 transitions. [2024-11-28 04:28:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 04:28:01,102 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 228 [2024-11-28 04:28:01,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:01,106 INFO L225 Difference]: With dead ends: 2382 [2024-11-28 04:28:01,106 INFO L226 Difference]: Without dead ends: 2380 [2024-11-28 04:28:01,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=232, Invalid=890, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 04:28:01,107 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 474 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:01,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1661 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 04:28:01,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2024-11-28 04:28:01,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 1924. [2024-11-28 04:28:01,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1667 states have (on average 1.3005398920215956) internal successors, (2168), 1669 states have internal predecessors, (2168), 212 states have call successors, (212), 44 states have call predecessors, (212), 44 states have return successors, (212), 210 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-28 04:28:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2592 transitions. [2024-11-28 04:28:01,343 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 2592 transitions. Word has length 228 [2024-11-28 04:28:01,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:01,344 INFO L471 AbstractCegarLoop]: Abstraction has 1924 states and 2592 transitions. [2024-11-28 04:28:01,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.210526315789474) internal successors, (61), 19 states have internal predecessors, (61), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:28:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2592 transitions. [2024-11-28 04:28:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:28:01,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:01,345 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:01,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-28 04:28:01,345 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:28:01,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:01,346 INFO L85 PathProgramCache]: Analyzing trace with hash -570645535, now seen corresponding path program 1 times [2024-11-28 04:28:01,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:01,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392068731] [2024-11-28 04:28:01,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:01,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:28:03,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:03,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392068731] [2024-11-28 04:28:03,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392068731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:03,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:03,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-28 04:28:03,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989360141] [2024-11-28 04:28:03,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:03,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:28:03,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:03,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:28:03,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:28:03,277 INFO L87 Difference]: Start difference. First operand 1924 states and 2592 transitions. Second operand has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:28:07,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:07,082 INFO L93 Difference]: Finished difference Result 2265 states and 2989 transitions. [2024-11-28 04:28:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:28:07,082 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:28:07,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:07,086 INFO L225 Difference]: With dead ends: 2265 [2024-11-28 04:28:07,086 INFO L226 Difference]: Without dead ends: 2263 [2024-11-28 04:28:07,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=107, Invalid=543, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:28:07,087 INFO L435 NwaCegarLoop]: 291 mSDtfsCounter, 255 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 2059 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:07,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 2059 Invalid, 2178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 04:28:07,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2024-11-28 04:28:07,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1914. [2024-11-28 04:28:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 1657 states have (on average 1.299939649969825) internal successors, (2154), 1659 states have internal predecessors, (2154), 212 states have call successors, (212), 44 states have call predecessors, (212), 44 states have return successors, (212), 210 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-28 04:28:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2578 transitions. [2024-11-28 04:28:07,315 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2578 transitions. Word has length 228 [2024-11-28 04:28:07,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:07,316 INFO L471 AbstractCegarLoop]: Abstraction has 1914 states and 2578 transitions. [2024-11-28 04:28:07,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 15 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:28:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2578 transitions. [2024-11-28 04:28:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:28:07,317 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:07,317 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:07,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-28 04:28:07,317 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:28:07,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:07,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2135973859, now seen corresponding path program 1 times [2024-11-28 04:28:07,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:07,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252607107] [2024-11-28 04:28:07,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:08,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:28:08,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:08,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252607107] [2024-11-28 04:28:08,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252607107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:08,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:08,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:28:08,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256010721] [2024-11-28 04:28:08,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:08,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:28:08,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:08,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:28:08,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:28:08,977 INFO L87 Difference]: Start difference. First operand 1914 states and 2578 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:28:10,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:10,610 INFO L93 Difference]: Finished difference Result 2442 states and 3181 transitions. [2024-11-28 04:28:10,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:28:10,611 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:28:10,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:10,614 INFO L225 Difference]: With dead ends: 2442 [2024-11-28 04:28:10,614 INFO L226 Difference]: Without dead ends: 2440 [2024-11-28 04:28:10,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:28:10,615 INFO L435 NwaCegarLoop]: 276 mSDtfsCounter, 124 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:10,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1480 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:28:10,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2024-11-28 04:28:10,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 1913. [2024-11-28 04:28:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1656 states have (on average 1.3001207729468598) internal successors, (2153), 1658 states have internal predecessors, (2153), 212 states have call successors, (212), 44 states have call predecessors, (212), 44 states have return successors, (212), 210 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-28 04:28:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2577 transitions. [2024-11-28 04:28:10,801 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2577 transitions. Word has length 228 [2024-11-28 04:28:10,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:10,802 INFO L471 AbstractCegarLoop]: Abstraction has 1913 states and 2577 transitions. [2024-11-28 04:28:10,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:28:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2577 transitions. [2024-11-28 04:28:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-28 04:28:10,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:10,803 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:10,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-28 04:28:10,803 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:28:10,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:10,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1585004317, now seen corresponding path program 1 times [2024-11-28 04:28:10,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:10,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504396315] [2024-11-28 04:28:10,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:10,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:28:13,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:13,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504396315] [2024-11-28 04:28:13,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504396315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:13,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:13,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-28 04:28:13,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842960959] [2024-11-28 04:28:13,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:13,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:28:13,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:13,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:28:13,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:28:13,922 INFO L87 Difference]: Start difference. First operand 1913 states and 2577 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:28:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:16,008 INFO L93 Difference]: Finished difference Result 2645 states and 3416 transitions. [2024-11-28 04:28:16,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:28:16,009 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 228 [2024-11-28 04:28:16,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:16,013 INFO L225 Difference]: With dead ends: 2645 [2024-11-28 04:28:16,013 INFO L226 Difference]: Without dead ends: 2643 [2024-11-28 04:28:16,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:28:16,014 INFO L435 NwaCegarLoop]: 337 mSDtfsCounter, 212 mSDsluCounter, 2018 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:16,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 2355 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 04:28:16,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2643 states. [2024-11-28 04:28:16,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2643 to 1860. [2024-11-28 04:28:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1603 states have (on average 1.295695570804741) internal successors, (2077), 1605 states have internal predecessors, (2077), 212 states have call successors, (212), 44 states have call predecessors, (212), 44 states have return successors, (212), 210 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-28 04:28:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2501 transitions. [2024-11-28 04:28:16,219 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2501 transitions. Word has length 228 [2024-11-28 04:28:16,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:16,220 INFO L471 AbstractCegarLoop]: Abstraction has 1860 states and 2501 transitions. [2024-11-28 04:28:16,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:28:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2501 transitions. [2024-11-28 04:28:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-28 04:28:16,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:16,222 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:16,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-28 04:28:16,222 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:28:16,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:16,222 INFO L85 PathProgramCache]: Analyzing trace with hash -224211094, now seen corresponding path program 1 times [2024-11-28 04:28:16,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:16,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463865465] [2024-11-28 04:28:16,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:16,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:28:16,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835221304] [2024-11-28 04:28:16,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:16,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:16,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:16,330 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:28:16,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:28:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:28:16,679 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:28:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:28:17,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:28:17,026 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:28:17,027 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:28:17,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:28:17,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-28 04:28:17,232 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:17,392 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:28:17,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:28:17 BoogieIcfgContainer [2024-11-28 04:28:17,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:28:17,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:28:17,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:28:17,397 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:28:17,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:17:04" (3/4) ... [2024-11-28 04:28:17,400 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:28:17,401 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:28:17,401 INFO L158 Benchmark]: Toolchain (without parser) took 674656.63ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 119.3MB in the beginning and 563.1MB in the end (delta: -443.8MB). Peak memory consumption was 673.7MB. Max. memory is 16.1GB. [2024-11-28 04:28:17,401 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:28:17,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.14ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 102.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:28:17,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.41ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 97.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:28:17,402 INFO L158 Benchmark]: Boogie Preprocessor took 103.90ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 89.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:28:17,402 INFO L158 Benchmark]: RCFGBuilder took 931.33ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 107.7MB in the end (delta: -17.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-11-28 04:28:17,402 INFO L158 Benchmark]: TraceAbstraction took 673083.45ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 107.2MB in the beginning and 563.3MB in the end (delta: -456.1MB). Peak memory consumption was 659.3MB. Max. memory is 16.1GB. [2024-11-28 04:28:17,402 INFO L158 Benchmark]: Witness Printer took 3.98ms. Allocated memory is still 1.3GB. Free memory was 563.3MB in the beginning and 563.1MB in the end (delta: 173.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:28:17,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.14ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 102.7MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.41ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 97.4MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 103.90ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 89.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 931.33ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 107.7MB in the end (delta: -17.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 673083.45ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 107.2MB in the beginning and 563.3MB in the end (delta: -456.1MB). Peak memory consumption was 659.3MB. Max. memory is 16.1GB. * Witness Printer took 3.98ms. Allocated memory is still 1.3GB. Free memory was 563.3MB in the beginning and 563.1MB in the end (delta: 173.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftLeft at line 197, overapproximation of shiftLeft at line 107, overapproximation of shiftLeft at line 197, overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someBinaryFLOATComparisonOperation at line 166, overapproximation of someBinaryFLOATComparisonOperation at line 170, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 168, overapproximation of someUnaryDOUBLEoperation at line 72, overapproximation of someUnaryDOUBLEoperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 181, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 174. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned short int var_1_4 = 58792; [L24] unsigned short int var_1_5 = 8; [L25] unsigned short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 16; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = 1000; [L30] signed short int var_1_11 = 1; [L31] signed short int var_1_12 = -25; [L32] signed short int var_1_13 = 25; [L33] unsigned short int var_1_14 = 5; [L34] unsigned short int var_1_16 = 20511; [L35] unsigned long int var_1_17 = 50; [L36] unsigned short int var_1_18 = 10; [L37] unsigned short int var_1_19 = 2; [L38] float var_1_20 = 100000.5; [L39] float var_1_21 = 31.9; [L40] float var_1_22 = -0.6; [L41] float var_1_24 = 24.5; [L42] double var_1_25 = 10000000000.5; [L43] double var_1_28 = 64.25; [L44] signed char var_1_29 = -10; [L45] signed char var_1_30 = -4; [L46] unsigned long int var_1_31 = 4; [L47] signed char var_1_32 = 100; [L48] double var_1_33 = 199.5; [L49] double var_1_34 = 7.6; [L50] signed char var_1_35 = 64; [L51] signed char var_1_36 = 10; [L52] signed char var_1_37 = 16; [L53] unsigned short int var_1_38 = 64; [L54] unsigned char last_1_var_1_8 = 0; VAL [isInitial=0, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L201] isInitial = 1 [L202] FCALL initially() [L204] CALL updateLastVariables() [L194] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=58792, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L204] RET updateLastVariables() [L205] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L139] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L140] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L141] var_1_5 = __VERIFIER_nondet_ushort() [L142] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L142] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L143] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L143] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L144] var_1_6 = __VERIFIER_nondet_ushort() [L145] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_7=16, var_1_8=0, var_1_9=1] [L145] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_7=16, var_1_8=0, var_1_9=1] [L146] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=16, var_1_8=0, var_1_9=1] [L146] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=16, var_1_8=0, var_1_9=1] [L147] var_1_7 = __VERIFIER_nondet_ushort() [L148] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_8=0, var_1_9=1] [L148] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_8=0, var_1_9=1] [L149] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L149] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L150] var_1_9 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L151] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L152] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L153] var_1_11 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L154] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L155] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L155] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L156] var_1_12 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L157] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L158] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L158] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L159] var_1_13 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L160] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L161] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L161] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L162] var_1_16 = __VERIFIER_nondet_ushort() [L163] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L163] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L164] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L164] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=200001/2, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L165] var_1_20 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L166] RET assume_abort_if_not((var_1_20 >= -922337.2036854776000e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854776000e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=319/10, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L167] var_1_21 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L168] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L169] var_1_22 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L170] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_24=49/2, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L171] var_1_24 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L172] RET assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_28=257/4, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L173] var_1_28 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L174] RET assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=-4, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L175] var_1_30 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_30 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L176] RET assume_abort_if_not(var_1_30 >= -127) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L177] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L177] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_33=399/2, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L178] var_1_33 = __VERIFIER_nondet_double() [L179] CALL assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L179] RET assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_34=38/5, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L180] var_1_34 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L181] RET assume_abort_if_not((var_1_34 >= -922337.2036854776000e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L182] CALL assume_abort_if_not(var_1_34 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L182] RET assume_abort_if_not(var_1_34 != 0.0F) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=64, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L183] var_1_35 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_35 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L184] RET assume_abort_if_not(var_1_35 >= -1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L185] CALL assume_abort_if_not(var_1_35 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L185] RET assume_abort_if_not(var_1_35 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=10, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L186] var_1_36 = __VERIFIER_nondet_char() [L187] CALL assume_abort_if_not(var_1_36 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L187] RET assume_abort_if_not(var_1_36 >= -1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L188] CALL assume_abort_if_not(var_1_36 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L188] RET assume_abort_if_not(var_1_36 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=16, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L189] var_1_37 = __VERIFIER_nondet_char() [L190] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L190] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L191] CALL assume_abort_if_not(var_1_37 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L191] RET assume_abort_if_not(var_1_37 <= 126) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L205] RET updateVariables() [L206] CALL step() [L58] COND FALSE !(var_1_20 <= var_1_21) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=20000000001/2, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L71] COND TRUE var_1_9 && (! (! var_1_9)) [L72] var_1_25 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=-10, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L74] COND TRUE (var_1_25 <= var_1_22) && var_1_9 [L75] var_1_29 = ((((var_1_30) > (-100)) ? (var_1_30) : (-100))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=4, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L77] var_1_31 = var_1_5 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=100, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L78] COND TRUE var_1_33 <= (var_1_25 / var_1_34) [L79] var_1_32 = (((((var_1_35) < (var_1_36)) ? (var_1_35) : (var_1_36))) - var_1_37) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=64, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L81] COND FALSE !(var_1_5 >= ((~ 128u) % ((((var_1_16) < (var_1_4)) ? (var_1_16) : (var_1_4))))) [L92] var_1_38 = var_1_11 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L94] unsigned short int stepLocal_1 = var_1_6; [L95] unsigned char stepLocal_0 = last_1_var_1_8; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_0=0, stepLocal_1=-65534, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L96] COND FALSE !(last_1_var_1_8 && stepLocal_0) VAL [isInitial=1, last_1_var_1_8=0, stepLocal_1=-65534, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L99] COND TRUE ((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_1 [L100] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=0, var_1_9=1] [L103] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=5, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L104] COND TRUE \read(var_1_8) [L105] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L107] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L107] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L107] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L108] COND TRUE stepLocal_4 >= var_1_14 [L109] var_1_17 = var_1_11 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=10, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L113] unsigned short int stepLocal_5 = var_1_5; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_5=-65535, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=10, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L114] COND FALSE !(stepLocal_5 == var_1_16) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=10, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L121] COND TRUE \read(var_1_9) [L122] var_1_18 = 200 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L125] unsigned char stepLocal_3 = var_1_9; [L126] unsigned long int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_8=0, stepLocal_2=4, stepLocal_3=1, var_1_10=1000, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L127] COND FALSE !(stepLocal_2 < var_1_6) [L134] var_1_10 = var_1_13 VAL [isInitial=1, last_1_var_1_8=0, stepLocal_3=1, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR var_1_16 << var_1_7 VAL [isInitial=1, last_1_var_1_8=0, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L197] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L197-L198] return ((((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_8 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=0, var_1_10=31735, var_1_11=4, var_1_12=-16383, var_1_13=31735, var_1_14=31735, var_1_16=31733, var_1_17=4, var_1_18=200, var_1_19=2, var_1_1=-65535, var_1_25=2, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=1, var_1_32=0, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=4, var_1_4=129000, var_1_5=-65535, var_1_6=-65534, var_1_7=1, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 672.8s, OverallIterations: 56, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 132.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19090 SdHoareTripleChecker+Valid, 84.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19090 mSDsluCounter, 79400 SdHoareTripleChecker+Invalid, 75.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66639 mSDsCounter, 3324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66448 IncrementalHoareTripleChecker+Invalid, 69772 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3324 mSolverCounterUnsat, 12761 mSDtfsCounter, 66448 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1717 GetRequests, 602 SyntacticMatches, 22 SemanticMatches, 1093 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3703 ImplicationChecksByTransitivity, 73.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1928occurred in iteration=51, InterpolantAutomatonStates: 772, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 55 MinimizatonAttempts, 15871 StatesRemovedByMinimization, 54 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 527.6s InterpolantComputationTime, 13012 NumberOfCodeBlocks, 13012 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 12498 ConstructedInterpolants, 0 QuantifiedInterpolants, 87732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 494 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 56 InterpolantComputations, 55 PerfectInterpolantSequences, 125598/125664 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:28:17,615 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-28 04:28:17,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f438dca2376e7c8417e397f8c4e8905746bba2e764fb7eae58181fb192c76381 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:28:20,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:28:20,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:28:20,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:28:20,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:28:20,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:28:20,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:28:20,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:28:20,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:28:20,428 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:28:20,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:28:20,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:28:20,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:28:20,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:28:20,430 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:28:20,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:28:20,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:28:20,431 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:28:20,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:28:20,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:28:20,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:28:20,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:28:20,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:28:20,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:28:20,432 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:28:20,432 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:28:20,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:28:20,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:28:20,433 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:28:20,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:28:20,433 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:28:20,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:28:20,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:28:20,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:28:20,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:28:20,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:28:20,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:28:20,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:28:20,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:28:20,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:28:20,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:28:20,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:28:20,436 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:28:20,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:28:20,436 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:28:20,436 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:28:20,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:28:20,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:28:20,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:28:20,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:28:20,437 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_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f438dca2376e7c8417e397f8c4e8905746bba2e764fb7eae58181fb192c76381 [2024-11-28 04:28:20,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:28:20,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:28:20,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:28:20,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:28:20,820 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:28:20,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-28 04:28:23,910 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data/494f8b1c2/54756eef61b546649e783063f7116e03/FLAG7499f5984 [2024-11-28 04:28:24,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:28:24,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-28 04:28:24,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data/494f8b1c2/54756eef61b546649e783063f7116e03/FLAG7499f5984 [2024-11-28 04:28:24,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/data/494f8b1c2/54756eef61b546649e783063f7116e03 [2024-11-28 04:28:24,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:28:24,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:28:24,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:28:24,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:28:24,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:28:24,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668e9038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24, skipping insertion in model container [2024-11-28 04:28:24,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:28:24,445 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_435bd9e7-8b89-4969-9560-8cb4880f75c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i[919,932] [2024-11-28 04:28:24,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:28:24,577 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:28:24,592 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_435bd9e7-8b89-4969-9560-8cb4880f75c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i[919,932] [2024-11-28 04:28:24,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:28:24,704 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:28:24,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24 WrapperNode [2024-11-28 04:28:24,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:28:24,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:28:24,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:28:24,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:28:24,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,772 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2024-11-28 04:28:24,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:28:24,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:28:24,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:28:24,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:28:24,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,807 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]. [2024-11-28 04:28:24,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,821 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:28:24,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:28:24,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:28:24,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:28:24,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (1/1) ... [2024-11-28 04:28:24,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:28:24,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:24,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:28:24,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:28:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:28:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:28:24,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:28:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:28:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:28:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:28:25,042 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:28:25,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:28:34,380 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 04:28:34,380 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:28:34,398 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:28:34,399 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:28:34,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:28:34 BoogieIcfgContainer [2024-11-28 04:28:34,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:28:34,402 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:28:34,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:28:34,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:28:34,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:28:24" (1/3) ... [2024-11-28 04:28:34,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8472aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:28:34, skipping insertion in model container [2024-11-28 04:28:34,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:24" (2/3) ... [2024-11-28 04:28:34,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8472aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:28:34, skipping insertion in model container [2024-11-28 04:28:34,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:28:34" (3/3) ... [2024-11-28 04:28:34,415 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i [2024-11-28 04:28:34,432 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:28:34,434 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-10.i that has 2 procedures, 98 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:28:34,511 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:28:34,523 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;@2835910e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:28:34,524 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:28:34,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 62 states have internal predecessors, (85), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 04:28:34,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-28 04:28:34,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:34,548 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:34,549 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:28:34,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:34,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1373032162, now seen corresponding path program 1 times [2024-11-28 04:28:34,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:28:34,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681102704] [2024-11-28 04:28:34,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:34,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:28:34,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:28:34,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:28:34,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 04:28:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:35,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:28:35,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:28:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 794 proven. 0 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2024-11-28 04:28:35,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:28:35,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:28:35,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681102704] [2024-11-28 04:28:35,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681102704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:35,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:35,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:28:35,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589811229] [2024-11-28 04:28:35,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:35,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:28:35,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:28:35,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:28:35,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:28:35,773 INFO L87 Difference]: Start difference. First operand has 98 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 62 states have internal predecessors, (85), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:28:35,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:35,818 INFO L93 Difference]: Finished difference Result 189 states and 334 transitions. [2024-11-28 04:28:35,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:28:35,820 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 216 [2024-11-28 04:28:35,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:35,828 INFO L225 Difference]: With dead ends: 189 [2024-11-28 04:28:35,828 INFO L226 Difference]: Without dead ends: 94 [2024-11-28 04:28:35,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:28:35,834 INFO L435 NwaCegarLoop]: 146 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, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:35,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:28:35,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-28 04:28:35,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-28 04:28:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 58 states have internal predecessors, (78), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-28 04:28:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions. [2024-11-28 04:28:35,885 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 216 [2024-11-28 04:28:35,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:35,885 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 146 transitions. [2024-11-28 04:28:35,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-28 04:28:35,886 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2024-11-28 04:28:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-28 04:28:35,890 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:35,890 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:35,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:28:36,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:28:36,091 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:28:36,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:36,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1648598698, now seen corresponding path program 1 times [2024-11-28 04:28:36,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:28:36,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077367260] [2024-11-28 04:28:36,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:36,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:28:36,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:28:36,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:28:36,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:28:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:37,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:28:37,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:28:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-28 04:28:40,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:28:40,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:28:40,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077367260] [2024-11-28 04:28:40,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077367260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:40,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:40,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:28:40,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478959324] [2024-11-28 04:28:40,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:40,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:28:40,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:28:40,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:28:40,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:28:40,293 INFO L87 Difference]: Start difference. First operand 94 states and 146 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:28:41,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:41,006 INFO L93 Difference]: Finished difference Result 308 states and 476 transitions. [2024-11-28 04:28:41,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:28:41,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 216 [2024-11-28 04:28:41,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:41,018 INFO L225 Difference]: With dead ends: 308 [2024-11-28 04:28:41,018 INFO L226 Difference]: Without dead ends: 217 [2024-11-28 04:28:41,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:28:41,020 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 134 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:41,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 610 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:28:41,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-28 04:28:41,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 180. [2024-11-28 04:28:41,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 109 states have internal predecessors, (145), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-28 04:28:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 281 transitions. [2024-11-28 04:28:41,075 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 281 transitions. Word has length 216 [2024-11-28 04:28:41,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:41,076 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 281 transitions. [2024-11-28 04:28:41,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-28 04:28:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 281 transitions. [2024-11-28 04:28:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-28 04:28:41,083 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:41,083 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:41,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 04:28:41,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:28:41,287 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:28:41,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:41,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1323059122, now seen corresponding path program 1 times [2024-11-28 04:28:41,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:28:41,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515289822] [2024-11-28 04:28:41,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:41,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:28:41,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:28:41,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:28:41,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435bd9e7-8b89-4969-9560-8cb4880f75c7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 04:28:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:42,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 04:28:42,718 INFO L279 TraceCheckSpWp]: Computing forward predicates...