./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC --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 62ecd4a1c0175e4266d81bf4dd40d6ccadaa828b1b1cbafedab9341484ceff48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:14:09,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:14:10,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:14:10,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:14:10,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:14:10,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:14:10,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:14:10,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:14:10,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:14:10,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:14:10,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:14:10,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:14:10,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:14:10,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:14:10,104 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:14:10,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:14:10,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:14:10,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:14:10,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:14:10,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:14:10,105 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:14:10,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:14:10,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:14:10,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:14:10,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:14:10,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:14:10,107 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:14:10,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:14:10,107 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:14:10,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:14:10,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:14:10,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:14:10,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:10,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:14:10,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:14:10,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:14:10,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:10,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:14:10,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:14:10,109 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_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC 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 -> 62ecd4a1c0175e4266d81bf4dd40d6ccadaa828b1b1cbafedab9341484ceff48 [2024-11-24 01:14:10,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:14:10,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:14:10,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:14:10,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:14:10,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:14:10,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-11-24 01:14:13,504 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/data/484d0a6db/8dba496dccc04dfdbf404f4a8c22979d/FLAG9d2ba5468 [2024-11-24 01:14:14,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:14:14,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-11-24 01:14:14,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/data/484d0a6db/8dba496dccc04dfdbf404f4a8c22979d/FLAG9d2ba5468 [2024-11-24 01:14:14,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/data/484d0a6db/8dba496dccc04dfdbf404f4a8c22979d [2024-11-24 01:14:14,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:14:14,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:14:14,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:14,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:14:14,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:14:14,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:14" (1/1) ... [2024-11-24 01:14:14,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2c4a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:14, skipping insertion in model container [2024-11-24 01:14:14,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:14:14" (1/1) ... [2024-11-24 01:14:14,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:14:15,432 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_c9e7dee8-cc61-410c-9efe-ef748564aaa8/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[40670,40683] [2024-11-24 01:14:18,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:18,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:14:18,996 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_c9e7dee8-cc61-410c-9efe-ef748564aaa8/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[40670,40683] [2024-11-24 01:14:21,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:14:21,792 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:14:21,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21 WrapperNode [2024-11-24 01:14:21,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:14:21,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:21,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:14:21,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:14:21,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:21,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:22,651 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23601 [2024-11-24 01:14:22,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:14:22,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:14:22,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:14:22,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:14:22,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:22,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:22,785 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:22,985 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]. [2024-11-24 01:14:22,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:22,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:23,228 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:23,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:23,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:23,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:23,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:23,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:14:23,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:14:23,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:14:23,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:14:23,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (1/1) ... [2024-11-24 01:14:23,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:14:23,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:14:23,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:14:23,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e7dee8-cc61-410c-9efe-ef748564aaa8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:14:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:14:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:14:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:14:23,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:14:24,027 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:14:24,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:14:39,839 INFO L? ?]: Removed 1204 outVars from TransFormulas that were not future-live. [2024-11-24 01:14:39,839 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:14:39,967 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:14:39,967 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:14:39,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:39 BoogieIcfgContainer [2024-11-24 01:14:39,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:14:39,971 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:14:39,971 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:14:39,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:14:39,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:14:14" (1/3) ... [2024-11-24 01:14:39,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370432a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:39, skipping insertion in model container [2024-11-24 01:14:39,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:14:21" (2/3) ... [2024-11-24 01:14:39,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370432a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:14:39, skipping insertion in model container [2024-11-24 01:14:39,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:14:39" (3/3) ... [2024-11-24 01:14:39,983 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-11-24 01:14:40,004 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:14:40,008 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_opt-floodmax.5.3.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c that has 1 procedures, 6849 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-24 01:14:40,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:14:40,278 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;@2edafc25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:14:40,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:14:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 6849 states, 6847 states have (on average 1.750109537023514) internal successors, (11983), 6848 states have internal predecessors, (11983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-24 01:14:40,370 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:40,371 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:40,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:40,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:40,378 INFO L85 PathProgramCache]: Analyzing trace with hash 579486765, now seen corresponding path program 1 times [2024-11-24 01:14:40,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:40,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586396383] [2024-11-24 01:14:40,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:40,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:41,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:41,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586396383] [2024-11-24 01:14:41,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586396383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:41,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:41,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:41,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708506695] [2024-11-24 01:14:41,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:41,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:41,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:41,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:41,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:41,909 INFO L87 Difference]: Start difference. First operand has 6849 states, 6847 states have (on average 1.750109537023514) internal successors, (11983), 6848 states have internal predecessors, (11983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:42,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:42,645 INFO L93 Difference]: Finished difference Result 13635 states and 23632 transitions. [2024-11-24 01:14:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:42,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2024-11-24 01:14:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:42,714 INFO L225 Difference]: With dead ends: 13635 [2024-11-24 01:14:42,716 INFO L226 Difference]: Without dead ends: 8146 [2024-11-24 01:14:42,734 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 [2024-11-24 01:14:42,737 INFO L435 NwaCegarLoop]: 12800 mSDtfsCounter, 8076 mSDsluCounter, 6010 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8076 SdHoareTripleChecker+Valid, 18810 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:42,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8076 Valid, 18810 Invalid, 48 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [25 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:14:42,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8146 states. [2024-11-24 01:14:43,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8146 to 8144. [2024-11-24 01:14:43,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8144 states, 8143 states have (on average 1.6740758934053788) internal successors, (13632), 8143 states have internal predecessors, (13632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8144 states to 8144 states and 13632 transitions. [2024-11-24 01:14:43,121 INFO L78 Accepts]: Start accepts. Automaton has 8144 states and 13632 transitions. Word has length 388 [2024-11-24 01:14:43,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:43,124 INFO L471 AbstractCegarLoop]: Abstraction has 8144 states and 13632 transitions. [2024-11-24 01:14:43,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 8144 states and 13632 transitions. [2024-11-24 01:14:43,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-24 01:14:43,163 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:43,163 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:43,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:14:43,164 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:43,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:43,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2020212822, now seen corresponding path program 1 times [2024-11-24 01:14:43,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:43,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528404694] [2024-11-24 01:14:43,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:43,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:43,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:43,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528404694] [2024-11-24 01:14:43,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528404694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:43,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:43,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:43,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818450776] [2024-11-24 01:14:43,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:43,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:43,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:43,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:43,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:43,959 INFO L87 Difference]: Start difference. First operand 8144 states and 13632 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:44,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:44,970 INFO L93 Difference]: Finished difference Result 17753 states and 29829 transitions. [2024-11-24 01:14:44,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:44,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2024-11-24 01:14:44,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:45,013 INFO L225 Difference]: With dead ends: 17753 [2024-11-24 01:14:45,013 INFO L226 Difference]: Without dead ends: 10791 [2024-11-24 01:14:45,022 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 [2024-11-24 01:14:45,026 INFO L435 NwaCegarLoop]: 12905 mSDtfsCounter, 6889 mSDsluCounter, 5973 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6889 SdHoareTripleChecker+Valid, 18878 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:45,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6889 Valid, 18878 Invalid, 433 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [213 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:14:45,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10791 states. [2024-11-24 01:14:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10791 to 10789. [2024-11-24 01:14:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10789 states, 10788 states have (on average 1.6719503151649981) internal successors, (18037), 10788 states have internal predecessors, (18037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10789 states to 10789 states and 18037 transitions. [2024-11-24 01:14:45,314 INFO L78 Accepts]: Start accepts. Automaton has 10789 states and 18037 transitions. Word has length 388 [2024-11-24 01:14:45,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:45,315 INFO L471 AbstractCegarLoop]: Abstraction has 10789 states and 18037 transitions. [2024-11-24 01:14:45,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 10789 states and 18037 transitions. [2024-11-24 01:14:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-24 01:14:45,339 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:45,341 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:45,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:14:45,341 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:45,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:45,345 INFO L85 PathProgramCache]: Analyzing trace with hash -502292862, now seen corresponding path program 1 times [2024-11-24 01:14:45,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:45,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730260303] [2024-11-24 01:14:45,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:45,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:46,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:46,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730260303] [2024-11-24 01:14:46,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730260303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:46,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:46,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:46,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925493026] [2024-11-24 01:14:46,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:46,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:46,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:46,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:46,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:46,134 INFO L87 Difference]: Start difference. First operand 10789 states and 18037 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:46,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:46,622 INFO L93 Difference]: Finished difference Result 19123 states and 32023 transitions. [2024-11-24 01:14:46,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:46,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2024-11-24 01:14:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:46,674 INFO L225 Difference]: With dead ends: 19123 [2024-11-24 01:14:46,674 INFO L226 Difference]: Without dead ends: 16693 [2024-11-24 01:14:46,682 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 [2024-11-24 01:14:46,682 INFO L435 NwaCegarLoop]: 9794 mSDtfsCounter, 6710 mSDsluCounter, 6649 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6710 SdHoareTripleChecker+Valid, 16443 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:46,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6710 Valid, 16443 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:14:46,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16693 states. [2024-11-24 01:14:46,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16693 to 16691. [2024-11-24 01:14:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16691 states, 16690 states have (on average 1.6718993409227083) internal successors, (27904), 16690 states have internal predecessors, (27904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16691 states to 16691 states and 27904 transitions. [2024-11-24 01:14:47,044 INFO L78 Accepts]: Start accepts. Automaton has 16691 states and 27904 transitions. Word has length 388 [2024-11-24 01:14:47,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:47,045 INFO L471 AbstractCegarLoop]: Abstraction has 16691 states and 27904 transitions. [2024-11-24 01:14:47,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:47,045 INFO L276 IsEmpty]: Start isEmpty. Operand 16691 states and 27904 transitions. [2024-11-24 01:14:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-24 01:14:47,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:47,079 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:47,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:14:47,080 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:47,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:47,081 INFO L85 PathProgramCache]: Analyzing trace with hash -913903934, now seen corresponding path program 1 times [2024-11-24 01:14:47,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:47,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689204929] [2024-11-24 01:14:47,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:47,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:47,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:47,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689204929] [2024-11-24 01:14:47,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689204929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:47,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:47,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:47,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599943160] [2024-11-24 01:14:47,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:47,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:47,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:47,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:47,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:47,562 INFO L87 Difference]: Start difference. First operand 16691 states and 27904 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:49,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:49,131 INFO L93 Difference]: Finished difference Result 32018 states and 53524 transitions. [2024-11-24 01:14:49,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:49,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2024-11-24 01:14:49,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:49,200 INFO L225 Difference]: With dead ends: 32018 [2024-11-24 01:14:49,200 INFO L226 Difference]: Without dead ends: 28712 [2024-11-24 01:14:49,212 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 [2024-11-24 01:14:49,213 INFO L435 NwaCegarLoop]: 9234 mSDtfsCounter, 7354 mSDsluCounter, 7277 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7354 SdHoareTripleChecker+Valid, 16511 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:49,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7354 Valid, 16511 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 01:14:49,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28712 states. [2024-11-24 01:14:49,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28712 to 28710. [2024-11-24 01:14:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28710 states, 28709 states have (on average 1.6657494165592672) internal successors, (47822), 28709 states have internal predecessors, (47822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28710 states to 28710 states and 47822 transitions. [2024-11-24 01:14:49,803 INFO L78 Accepts]: Start accepts. Automaton has 28710 states and 47822 transitions. Word has length 388 [2024-11-24 01:14:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:49,804 INFO L471 AbstractCegarLoop]: Abstraction has 28710 states and 47822 transitions. [2024-11-24 01:14:49,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 28710 states and 47822 transitions. [2024-11-24 01:14:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-24 01:14:49,864 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:49,864 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:49,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:14:49,865 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:49,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:49,866 INFO L85 PathProgramCache]: Analyzing trace with hash -644895742, now seen corresponding path program 1 times [2024-11-24 01:14:49,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:49,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846051613] [2024-11-24 01:14:49,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:50,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:50,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846051613] [2024-11-24 01:14:50,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846051613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:50,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:50,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:50,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437029614] [2024-11-24 01:14:50,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:50,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:50,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:50,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:50,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:50,455 INFO L87 Difference]: Start difference. First operand 28710 states and 47822 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:51,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:51,199 INFO L93 Difference]: Finished difference Result 33258 states and 55366 transitions. [2024-11-24 01:14:51,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:51,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2024-11-24 01:14:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:51,258 INFO L225 Difference]: With dead ends: 33258 [2024-11-24 01:14:51,259 INFO L226 Difference]: Without dead ends: 30296 [2024-11-24 01:14:51,270 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 [2024-11-24 01:14:51,271 INFO L435 NwaCegarLoop]: 10407 mSDtfsCounter, 7378 mSDsluCounter, 5611 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7378 SdHoareTripleChecker+Valid, 16018 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:51,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7378 Valid, 16018 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:14:51,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30296 states. [2024-11-24 01:14:51,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30296 to 30150. [2024-11-24 01:14:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30150 states, 30149 states have (on average 1.6640021227901423) internal successors, (50168), 30149 states have internal predecessors, (50168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30150 states to 30150 states and 50168 transitions. [2024-11-24 01:14:52,060 INFO L78 Accepts]: Start accepts. Automaton has 30150 states and 50168 transitions. Word has length 388 [2024-11-24 01:14:52,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:52,061 INFO L471 AbstractCegarLoop]: Abstraction has 30150 states and 50168 transitions. [2024-11-24 01:14:52,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:52,061 INFO L276 IsEmpty]: Start isEmpty. Operand 30150 states and 50168 transitions. [2024-11-24 01:14:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-24 01:14:52,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:52,098 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:52,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:14:52,098 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:52,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:52,099 INFO L85 PathProgramCache]: Analyzing trace with hash 896866583, now seen corresponding path program 1 times [2024-11-24 01:14:52,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:52,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6473028] [2024-11-24 01:14:52,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:52,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:53,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:53,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:53,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6473028] [2024-11-24 01:14:53,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6473028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:53,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:53,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:53,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502042181] [2024-11-24 01:14:53,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:53,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:53,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:53,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:53,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:53,151 INFO L87 Difference]: Start difference. First operand 30150 states and 50168 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:53,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:53,576 INFO L93 Difference]: Finished difference Result 73512 states and 122474 transitions. [2024-11-24 01:14:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:53,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2024-11-24 01:14:53,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:53,673 INFO L225 Difference]: With dead ends: 73512 [2024-11-24 01:14:53,674 INFO L226 Difference]: Without dead ends: 44978 [2024-11-24 01:14:53,703 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 [2024-11-24 01:14:53,704 INFO L435 NwaCegarLoop]: 13209 mSDtfsCounter, 4033 mSDsluCounter, 9517 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4033 SdHoareTripleChecker+Valid, 22726 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:53,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4033 Valid, 22726 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:14:53,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44978 states. [2024-11-24 01:14:54,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44978 to 43676. [2024-11-24 01:14:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43676 states, 43675 states have (on average 1.6571493989696622) internal successors, (72376), 43675 states have internal predecessors, (72376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:54,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43676 states to 43676 states and 72376 transitions. [2024-11-24 01:14:54,849 INFO L78 Accepts]: Start accepts. Automaton has 43676 states and 72376 transitions. Word has length 388 [2024-11-24 01:14:54,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:54,849 INFO L471 AbstractCegarLoop]: Abstraction has 43676 states and 72376 transitions. [2024-11-24 01:14:54,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 43676 states and 72376 transitions. [2024-11-24 01:14:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-24 01:14:54,899 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:54,900 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:54,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:14:54,900 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:54,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:54,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1890639942, now seen corresponding path program 1 times [2024-11-24 01:14:54,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:54,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929157060] [2024-11-24 01:14:54,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:54,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:55,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:55,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929157060] [2024-11-24 01:14:55,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929157060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:55,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:55,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:55,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001933321] [2024-11-24 01:14:55,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:55,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:55,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:55,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:55,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:55,943 INFO L87 Difference]: Start difference. First operand 43676 states and 72376 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:56,609 INFO L93 Difference]: Finished difference Result 110402 states and 183507 transitions. [2024-11-24 01:14:56,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:56,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2024-11-24 01:14:56,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:56,889 INFO L225 Difference]: With dead ends: 110402 [2024-11-24 01:14:56,890 INFO L226 Difference]: Without dead ends: 70520 [2024-11-24 01:14:56,911 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 [2024-11-24 01:14:56,912 INFO L435 NwaCegarLoop]: 12388 mSDtfsCounter, 4268 mSDsluCounter, 9525 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 21913 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:56,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4268 Valid, 21913 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:14:56,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70520 states. [2024-11-24 01:14:58,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70520 to 66346. [2024-11-24 01:14:58,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66346 states, 66345 states have (on average 1.645233250433341) internal successors, (109153), 66345 states have internal predecessors, (109153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66346 states to 66346 states and 109153 transitions. [2024-11-24 01:14:58,280 INFO L78 Accepts]: Start accepts. Automaton has 66346 states and 109153 transitions. Word has length 388 [2024-11-24 01:14:58,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:14:58,280 INFO L471 AbstractCegarLoop]: Abstraction has 66346 states and 109153 transitions. [2024-11-24 01:14:58,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 66346 states and 109153 transitions. [2024-11-24 01:14:58,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-11-24 01:14:58,346 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:14:58,346 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:14:58,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:14:58,346 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:14:58,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:14:58,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1218777864, now seen corresponding path program 1 times [2024-11-24 01:14:58,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:14:58,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090835109] [2024-11-24 01:14:58,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:14:58,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:14:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:14:59,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:14:59,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:14:59,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090835109] [2024-11-24 01:14:59,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090835109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:14:59,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:14:59,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:14:59,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988961306] [2024-11-24 01:14:59,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:14:59,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:14:59,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:14:59,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:14:59,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:14:59,274 INFO L87 Difference]: Start difference. First operand 66346 states and 109153 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:14:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:14:59,841 INFO L93 Difference]: Finished difference Result 98310 states and 163139 transitions. [2024-11-24 01:14:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:14:59,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 388 [2024-11-24 01:14:59,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:14:59,891 INFO L225 Difference]: With dead ends: 98310 [2024-11-24 01:14:59,891 INFO L226 Difference]: Without dead ends: 38164 [2024-11-24 01:14:59,922 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 [2024-11-24 01:14:59,923 INFO L435 NwaCegarLoop]: 7293 mSDtfsCounter, 4749 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4749 SdHoareTripleChecker+Valid, 9766 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:14:59,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4749 Valid, 9766 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:14:59,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38164 states. [2024-11-24 01:15:00,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38164 to 34162. [2024-11-24 01:15:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34162 states, 34161 states have (on average 1.6589971019583736) internal successors, (56673), 34161 states have internal predecessors, (56673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34162 states to 34162 states and 56673 transitions. [2024-11-24 01:15:00,588 INFO L78 Accepts]: Start accepts. Automaton has 34162 states and 56673 transitions. Word has length 388 [2024-11-24 01:15:00,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:00,588 INFO L471 AbstractCegarLoop]: Abstraction has 34162 states and 56673 transitions. [2024-11-24 01:15:00,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 34162 states and 56673 transitions. [2024-11-24 01:15:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-24 01:15:00,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:00,616 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:15:00,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:15:00,616 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:00,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:00,617 INFO L85 PathProgramCache]: Analyzing trace with hash -365455318, now seen corresponding path program 1 times [2024-11-24 01:15:00,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:00,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480625231] [2024-11-24 01:15:00,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:00,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:15:01,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:01,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480625231] [2024-11-24 01:15:01,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480625231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:01,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:01,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:15:01,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805490295] [2024-11-24 01:15:01,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:01,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:15:01,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:01,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:15:01,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:15:01,649 INFO L87 Difference]: Start difference. First operand 34162 states and 56673 transitions. Second operand has 7 states, 7 states have (on average 56.0) internal successors, (392), 7 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:03,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:03,073 INFO L93 Difference]: Finished difference Result 125819 states and 211040 transitions. [2024-11-24 01:15:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:15:03,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.0) internal successors, (392), 7 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 392 [2024-11-24 01:15:03,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:03,209 INFO L225 Difference]: With dead ends: 125819 [2024-11-24 01:15:03,209 INFO L226 Difference]: Without dead ends: 116665 [2024-11-24 01:15:03,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:15:03,235 INFO L435 NwaCegarLoop]: 7065 mSDtfsCounter, 23513 mSDsluCounter, 19852 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23513 SdHoareTripleChecker+Valid, 26917 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:03,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23513 Valid, 26917 Invalid, 413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 01:15:03,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116665 states. [2024-11-24 01:15:04,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116665 to 43399. [2024-11-24 01:15:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43399 states, 43398 states have (on average 1.6603069265864787) internal successors, (72054), 43398 states have internal predecessors, (72054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43399 states to 43399 states and 72054 transitions. [2024-11-24 01:15:04,167 INFO L78 Accepts]: Start accepts. Automaton has 43399 states and 72054 transitions. Word has length 392 [2024-11-24 01:15:04,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:04,168 INFO L471 AbstractCegarLoop]: Abstraction has 43399 states and 72054 transitions. [2024-11-24 01:15:04,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.0) internal successors, (392), 7 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:04,168 INFO L276 IsEmpty]: Start isEmpty. Operand 43399 states and 72054 transitions. [2024-11-24 01:15:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-24 01:15:04,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:04,196 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:15:04,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:15:04,197 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:04,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash 871962965, now seen corresponding path program 1 times [2024-11-24 01:15:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:04,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335085055] [2024-11-24 01:15:04,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:15:04,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:04,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335085055] [2024-11-24 01:15:04,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335085055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:04,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:04,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:15:04,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333178358] [2024-11-24 01:15:04,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:04,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:15:04,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:04,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:15:04,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:15:04,791 INFO L87 Difference]: Start difference. First operand 43399 states and 72054 transitions. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:05,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:05,244 INFO L93 Difference]: Finished difference Result 98221 states and 164121 transitions. [2024-11-24 01:15:05,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:15:05,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2024-11-24 01:15:05,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:05,347 INFO L225 Difference]: With dead ends: 98221 [2024-11-24 01:15:05,347 INFO L226 Difference]: Without dead ends: 79947 [2024-11-24 01:15:05,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:15:05,378 INFO L435 NwaCegarLoop]: 7050 mSDtfsCounter, 8430 mSDsluCounter, 6879 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8430 SdHoareTripleChecker+Valid, 13929 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:05,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8430 Valid, 13929 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:15:05,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79947 states. [2024-11-24 01:15:06,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79947 to 61543. [2024-11-24 01:15:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61543 states, 61542 states have (on average 1.6632218647427772) internal successors, (102358), 61542 states have internal predecessors, (102358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61543 states to 61543 states and 102358 transitions. [2024-11-24 01:15:06,272 INFO L78 Accepts]: Start accepts. Automaton has 61543 states and 102358 transitions. Word has length 393 [2024-11-24 01:15:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:06,273 INFO L471 AbstractCegarLoop]: Abstraction has 61543 states and 102358 transitions. [2024-11-24 01:15:06,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 61543 states and 102358 transitions. [2024-11-24 01:15:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-24 01:15:06,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:06,300 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:15:06,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 01:15:06,301 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:06,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash 2131821715, now seen corresponding path program 1 times [2024-11-24 01:15:06,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:06,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59623114] [2024-11-24 01:15:06,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:06,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:15:07,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:07,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59623114] [2024-11-24 01:15:07,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59623114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:07,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:07,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:15:07,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161970798] [2024-11-24 01:15:07,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:07,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:15:07,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:07,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:15:07,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:15:07,290 INFO L87 Difference]: Start difference. First operand 61543 states and 102358 transitions. Second operand has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:08,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:08,660 INFO L93 Difference]: Finished difference Result 243731 states and 407420 transitions. [2024-11-24 01:15:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:15:08,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2024-11-24 01:15:08,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:08,850 INFO L225 Difference]: With dead ends: 243731 [2024-11-24 01:15:08,851 INFO L226 Difference]: Without dead ends: 207313 [2024-11-24 01:15:08,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:15:08,896 INFO L435 NwaCegarLoop]: 7771 mSDtfsCounter, 16773 mSDsluCounter, 17438 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16773 SdHoareTripleChecker+Valid, 25209 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:08,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16773 Valid, 25209 Invalid, 342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:15:08,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207313 states. [2024-11-24 01:15:10,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207313 to 97895. [2024-11-24 01:15:10,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97895 states, 97894 states have (on average 1.6666802868408688) internal successors, (163158), 97894 states have internal predecessors, (163158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97895 states to 97895 states and 163158 transitions. [2024-11-24 01:15:10,606 INFO L78 Accepts]: Start accepts. Automaton has 97895 states and 163158 transitions. Word has length 393 [2024-11-24 01:15:10,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:10,607 INFO L471 AbstractCegarLoop]: Abstraction has 97895 states and 163158 transitions. [2024-11-24 01:15:10,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 97895 states and 163158 transitions. [2024-11-24 01:15:10,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-24 01:15:10,635 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:10,636 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:15:10,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:15:10,636 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:10,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:10,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1534638356, now seen corresponding path program 1 times [2024-11-24 01:15:10,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:10,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456159360] [2024-11-24 01:15:10,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:10,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:15:11,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:11,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456159360] [2024-11-24 01:15:11,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456159360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:11,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:11,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:15:11,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183765394] [2024-11-24 01:15:11,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:11,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:15:11,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:11,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:15:11,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:15:11,715 INFO L87 Difference]: Start difference. First operand 97895 states and 163158 transitions. Second operand has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:13,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:13,620 INFO L93 Difference]: Finished difference Result 280112 states and 468249 transitions. [2024-11-24 01:15:13,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:15:13,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2024-11-24 01:15:13,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:13,863 INFO L225 Difference]: With dead ends: 280112 [2024-11-24 01:15:13,863 INFO L226 Difference]: Without dead ends: 243694 [2024-11-24 01:15:13,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:15:13,907 INFO L435 NwaCegarLoop]: 7709 mSDtfsCounter, 16680 mSDsluCounter, 21505 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16680 SdHoareTripleChecker+Valid, 29214 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:13,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16680 Valid, 29214 Invalid, 499 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:15:14,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243694 states. [2024-11-24 01:15:15,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243694 to 152484. [2024-11-24 01:15:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152484 states, 152483 states have (on average 1.6680875900920102) internal successors, (254355), 152483 states have internal predecessors, (254355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152484 states to 152484 states and 254355 transitions. [2024-11-24 01:15:15,975 INFO L78 Accepts]: Start accepts. Automaton has 152484 states and 254355 transitions. Word has length 393 [2024-11-24 01:15:15,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:15,975 INFO L471 AbstractCegarLoop]: Abstraction has 152484 states and 254355 transitions. [2024-11-24 01:15:15,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 152484 states and 254355 transitions. [2024-11-24 01:15:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-24 01:15:15,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:15,995 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:15:15,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 01:15:15,995 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:15,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:15,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1647138668, now seen corresponding path program 1 times [2024-11-24 01:15:15,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:15,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053519171] [2024-11-24 01:15:15,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:15,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:15:17,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:17,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053519171] [2024-11-24 01:15:17,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053519171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:17,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:17,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:15:17,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938718365] [2024-11-24 01:15:17,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:17,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:15:17,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:17,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:15:17,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:15:17,231 INFO L87 Difference]: Start difference. First operand 152484 states and 254355 transitions. Second operand has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:19,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:19,000 INFO L93 Difference]: Finished difference Result 316545 states and 529130 transitions. [2024-11-24 01:15:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:15:19,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2024-11-24 01:15:19,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:19,270 INFO L225 Difference]: With dead ends: 316545 [2024-11-24 01:15:19,270 INFO L226 Difference]: Without dead ends: 280127 [2024-11-24 01:15:19,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:15:19,314 INFO L435 NwaCegarLoop]: 7712 mSDtfsCounter, 17192 mSDsluCounter, 20704 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17192 SdHoareTripleChecker+Valid, 28416 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:19,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17192 Valid, 28416 Invalid, 535 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 01:15:19,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280127 states. [2024-11-24 01:15:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280127 to 188885. [2024-11-24 01:15:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188885 states, 188884 states have (on average 1.6687702505241313) internal successors, (315204), 188884 states have internal predecessors, (315204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188885 states to 188885 states and 315204 transitions. [2024-11-24 01:15:22,482 INFO L78 Accepts]: Start accepts. Automaton has 188885 states and 315204 transitions. Word has length 393 [2024-11-24 01:15:22,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:15:22,483 INFO L471 AbstractCegarLoop]: Abstraction has 188885 states and 315204 transitions. [2024-11-24 01:15:22,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.142857142857146) internal successors, (393), 7 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 188885 states and 315204 transitions. [2024-11-24 01:15:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-24 01:15:22,511 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:15:22,511 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:15:22,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 01:15:22,511 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:15:22,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:15:22,512 INFO L85 PathProgramCache]: Analyzing trace with hash 252404365, now seen corresponding path program 1 times [2024-11-24 01:15:22,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:15:22,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903671165] [2024-11-24 01:15:22,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:15:22,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:15:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:15:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:15:23,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:15:23,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903671165] [2024-11-24 01:15:23,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903671165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:15:23,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:15:23,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:15:23,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362946471] [2024-11-24 01:15:23,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:15:23,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:15:23,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:15:23,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:15:23,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:15:23,608 INFO L87 Difference]: Start difference. First operand 188885 states and 315204 transitions. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:15:25,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:15:25,129 INFO L93 Difference]: Finished difference Result 374280 states and 624851 transitions. [2024-11-24 01:15:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:15:25,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 393 [2024-11-24 01:15:25,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:15:25,322 INFO L225 Difference]: With dead ends: 374280 [2024-11-24 01:15:25,322 INFO L226 Difference]: Without dead ends: 188887 [2024-11-24 01:15:25,403 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 [2024-11-24 01:15:25,403 INFO L435 NwaCegarLoop]: 7668 mSDtfsCounter, 5146 mSDsluCounter, 4065 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5146 SdHoareTripleChecker+Valid, 11733 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:15:25,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5146 Valid, 11733 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:15:25,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188887 states.