./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6220e6745b3165a6fc1efc167bda264ea9d52d0f56711813aaca8387b0aa2cbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:41:33,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:41:33,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:41:33,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:41:33,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:41:33,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:41:33,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:41:33,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:41:33,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:41:33,947 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:41:33,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:41:33,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:41:33,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:41:33,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:41:33,948 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:41:33,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:41:33,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:41:33,948 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:41:33,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:41:33,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:41:33,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:41:33,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:41:33,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:41:33,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:41:33,949 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:41:33,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:41:33,949 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:41:33,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:41:33,949 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:41:33,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:41:33,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:41:33,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:41:33,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:41:33,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:41:33,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:41:33,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:41:33,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:41:33,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:41:33,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:41:33,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:41:33,951 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:41:33,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:41:33,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:41:33,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:41:33,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:41:33,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:41:33,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:41:33,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:41:33,952 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_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6220e6745b3165a6fc1efc167bda264ea9d52d0f56711813aaca8387b0aa2cbd [2024-11-28 03:41:34,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:41:34,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:41:34,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:41:34,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:41:34,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:41:34,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-0.i [2024-11-28 03:41:37,406 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/data/5d22b5829/56665378ff654c558145806d26d9b991/FLAG3effb4c1f [2024-11-28 03:41:37,774 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:41:37,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-0.i [2024-11-28 03:41:37,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/data/5d22b5829/56665378ff654c558145806d26d9b991/FLAG3effb4c1f [2024-11-28 03:41:37,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/data/5d22b5829/56665378ff654c558145806d26d9b991 [2024-11-28 03:41:37,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:41:37,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:41:37,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:41:37,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:41:37,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:41:37,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:41:37" (1/1) ... [2024-11-28 03:41:37,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24f4f890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:37, skipping insertion in model container [2024-11-28 03:41:37,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:41:37" (1/1) ... [2024-11-28 03:41:38,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:41:38,309 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_fa25dff1-1957-4513-be89-7d5b55e24f0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-0.i[915,928] [2024-11-28 03:41:38,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:41:38,643 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:41:38,660 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_fa25dff1-1957-4513-be89-7d5b55e24f0f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-0.i[915,928] [2024-11-28 03:41:38,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:41:38,853 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:41:38,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38 WrapperNode [2024-11-28 03:41:38,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:41:38,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:41:38,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:41:38,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:41:38,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:38,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,059 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 719 [2024-11-28 03:41:39,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:41:39,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:41:39,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:41:39,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:41:39,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,103 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,229 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:41:39,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,281 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:41:39,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:41:39,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:41:39,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:41:39,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (1/1) ... [2024-11-28 03:41:39,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:41:39,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:41:39,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:41:39,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:41:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:41:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:41:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:41:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:41:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:41:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:41:39,684 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:41:39,687 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:41:41,511 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2024-11-28 03:41:41,512 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:41:41,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:41:41,534 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:41:41,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:41:41 BoogieIcfgContainer [2024-11-28 03:41:41,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:41:41,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:41:41,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:41:41,547 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:41:41,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:41:37" (1/3) ... [2024-11-28 03:41:41,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baf0108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:41:41, skipping insertion in model container [2024-11-28 03:41:41,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:41:38" (2/3) ... [2024-11-28 03:41:41,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baf0108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:41:41, skipping insertion in model container [2024-11-28 03:41:41,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:41:41" (3/3) ... [2024-11-28 03:41:41,552 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-0.i [2024-11-28 03:41:41,570 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:41:41,575 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount500_file-0.i that has 2 procedures, 290 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:41:41,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:41:41,679 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;@57f36a01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:41:41,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:41:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 290 states, 226 states have (on average 1.5575221238938053) internal successors, (352), 227 states have internal predecessors, (352), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-28 03:41:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:41,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:41,720 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:41,721 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:41,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:41,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1702141139, now seen corresponding path program 1 times [2024-11-28 03:41:41,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:41,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279658520] [2024-11-28 03:41:41,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:41,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:42,740 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 7200 trivial. 0 not checked. [2024-11-28 03:41:42,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:41:42,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279658520] [2024-11-28 03:41:42,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279658520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:41:42,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949752763] [2024-11-28 03:41:42,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:42,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:41:42,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:41:42,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:41:42,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:41:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:43,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:41:43,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:41:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 7200 trivial. 0 not checked. [2024-11-28 03:41:43,444 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:41:43,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949752763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:41:43,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:41:43,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:41:43,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861440315] [2024-11-28 03:41:43,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:41:43,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:41:43,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:41:43,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:41:43,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:41:43,493 INFO L87 Difference]: Start difference. First operand has 290 states, 226 states have (on average 1.5575221238938053) internal successors, (352), 227 states have internal predecessors, (352), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-28 03:41:43,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:41:43,611 INFO L93 Difference]: Finished difference Result 573 states and 1003 transitions. [2024-11-28 03:41:43,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:41:43,617 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) Word has length 429 [2024-11-28 03:41:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:41:43,633 INFO L225 Difference]: With dead ends: 573 [2024-11-28 03:41:43,633 INFO L226 Difference]: Without dead ends: 286 [2024-11-28 03:41:43,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:41:43,650 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:41:43,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:41:43,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-28 03:41:43,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2024-11-28 03:41:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 223 states have (on average 1.5426008968609866) internal successors, (344), 223 states have internal predecessors, (344), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-28 03:41:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 466 transitions. [2024-11-28 03:41:43,788 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 466 transitions. Word has length 429 [2024-11-28 03:41:43,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:41:43,789 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 466 transitions. [2024-11-28 03:41:43,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.5) internal successors, (129), 2 states have internal predecessors, (129), 2 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-28 03:41:43,790 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 466 transitions. [2024-11-28 03:41:43,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:43,813 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:43,814 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:43,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:41:44,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:41:44,019 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:44,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1423623589, now seen corresponding path program 1 times [2024-11-28 03:41:44,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:44,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983891251] [2024-11-28 03:41:44,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:41:44,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:41:44,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983891251] [2024-11-28 03:41:44,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983891251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:41:44,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:41:44,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:41:44,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889086144] [2024-11-28 03:41:44,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:41:44,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:41:44,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:41:44,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:41:44,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:41:44,914 INFO L87 Difference]: Start difference. First operand 286 states and 466 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:45,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:41:45,083 INFO L93 Difference]: Finished difference Result 733 states and 1194 transitions. [2024-11-28 03:41:45,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:41:45,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 429 [2024-11-28 03:41:45,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:41:45,092 INFO L225 Difference]: With dead ends: 733 [2024-11-28 03:41:45,092 INFO L226 Difference]: Without dead ends: 450 [2024-11-28 03:41:45,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:41:45,094 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 262 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:41:45,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1030 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:41:45,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2024-11-28 03:41:45,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 447. [2024-11-28 03:41:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 373 states have (on average 1.5656836461126005) internal successors, (584), 374 states have internal predecessors, (584), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-28 03:41:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 726 transitions. [2024-11-28 03:41:45,170 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 726 transitions. Word has length 429 [2024-11-28 03:41:45,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:41:45,173 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 726 transitions. [2024-11-28 03:41:45,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 726 transitions. [2024-11-28 03:41:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:45,183 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:45,184 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:45,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:41:45,185 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:45,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:45,186 INFO L85 PathProgramCache]: Analyzing trace with hash 909769049, now seen corresponding path program 1 times [2024-11-28 03:41:45,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:45,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636414369] [2024-11-28 03:41:45,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:45,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:41:45,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:41:45,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636414369] [2024-11-28 03:41:45,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636414369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:41:45,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:41:45,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:41:45,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183820535] [2024-11-28 03:41:45,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:41:45,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:41:45,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:41:45,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:41:45,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:41:45,960 INFO L87 Difference]: Start difference. First operand 447 states and 726 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:46,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:41:46,171 INFO L93 Difference]: Finished difference Result 1230 states and 1994 transitions. [2024-11-28 03:41:46,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:41:46,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 429 [2024-11-28 03:41:46,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:41:46,184 INFO L225 Difference]: With dead ends: 1230 [2024-11-28 03:41:46,186 INFO L226 Difference]: Without dead ends: 786 [2024-11-28 03:41:46,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:41:46,190 INFO L435 NwaCegarLoop]: 697 mSDtfsCounter, 288 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:41:46,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1134 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:41:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-28 03:41:46,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 782. [2024-11-28 03:41:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 694 states have (on average 1.5778097982708934) internal successors, (1095), 697 states have internal predecessors, (1095), 83 states have call successors, (83), 4 states have call predecessors, (83), 4 states have return successors, (83), 80 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-28 03:41:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1261 transitions. [2024-11-28 03:41:46,271 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1261 transitions. Word has length 429 [2024-11-28 03:41:46,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:41:46,274 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 1261 transitions. [2024-11-28 03:41:46,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1261 transitions. [2024-11-28 03:41:46,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:46,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:46,289 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:46,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:41:46,289 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:46,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:46,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1053072221, now seen corresponding path program 1 times [2024-11-28 03:41:46,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:46,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840552758] [2024-11-28 03:41:46,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:46,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:41:46,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:41:46,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840552758] [2024-11-28 03:41:46,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840552758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:41:46,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:41:46,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:41:46,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148080628] [2024-11-28 03:41:46,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:41:46,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:41:46,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:41:46,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:41:46,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:41:46,804 INFO L87 Difference]: Start difference. First operand 782 states and 1261 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:46,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:41:46,957 INFO L93 Difference]: Finished difference Result 2210 states and 3560 transitions. [2024-11-28 03:41:46,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:41:46,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 429 [2024-11-28 03:41:46,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:41:46,974 INFO L225 Difference]: With dead ends: 2210 [2024-11-28 03:41:46,977 INFO L226 Difference]: Without dead ends: 1431 [2024-11-28 03:41:46,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:41:46,980 INFO L435 NwaCegarLoop]: 456 mSDtfsCounter, 263 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:41:46,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 902 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:41:46,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2024-11-28 03:41:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1428. [2024-11-28 03:41:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1300 states have (on average 1.583076923076923) internal successors, (2058), 1307 states have internal predecessors, (2058), 119 states have call successors, (119), 8 states have call predecessors, (119), 8 states have return successors, (119), 112 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-28 03:41:47,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2296 transitions. [2024-11-28 03:41:47,128 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2296 transitions. Word has length 429 [2024-11-28 03:41:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:41:47,132 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 2296 transitions. [2024-11-28 03:41:47,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2296 transitions. [2024-11-28 03:41:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:47,149 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:47,149 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:47,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:41:47,150 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:47,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:47,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1946558559, now seen corresponding path program 1 times [2024-11-28 03:41:47,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:47,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138528069] [2024-11-28 03:41:47,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:47,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:41:49,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:41:49,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138528069] [2024-11-28 03:41:49,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138528069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:41:49,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:41:49,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:41:49,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386400212] [2024-11-28 03:41:49,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:41:49,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:41:49,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:41:49,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:41:49,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:41:49,809 INFO L87 Difference]: Start difference. First operand 1428 states and 2296 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:50,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:41:50,561 INFO L93 Difference]: Finished difference Result 4797 states and 7678 transitions. [2024-11-28 03:41:50,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:41:50,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 429 [2024-11-28 03:41:50,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:41:50,584 INFO L225 Difference]: With dead ends: 4797 [2024-11-28 03:41:50,584 INFO L226 Difference]: Without dead ends: 3372 [2024-11-28 03:41:50,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:41:50,590 INFO L435 NwaCegarLoop]: 824 mSDtfsCounter, 792 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:41:50,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 1889 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:41:50,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2024-11-28 03:41:50,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 2845. [2024-11-28 03:41:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2845 states, 2627 states have (on average 1.5812714122573277) internal successors, (4154), 2643 states have internal predecessors, (4154), 195 states have call successors, (195), 22 states have call predecessors, (195), 22 states have return successors, (195), 179 states have call predecessors, (195), 195 states have call successors, (195) [2024-11-28 03:41:50,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 4544 transitions. [2024-11-28 03:41:50,779 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 4544 transitions. Word has length 429 [2024-11-28 03:41:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:41:50,780 INFO L471 AbstractCegarLoop]: Abstraction has 2845 states and 4544 transitions. [2024-11-28 03:41:50,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 4544 transitions. [2024-11-28 03:41:50,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:50,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:50,794 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:50,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:41:50,795 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:50,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:50,795 INFO L85 PathProgramCache]: Analyzing trace with hash 403438962, now seen corresponding path program 1 times [2024-11-28 03:41:50,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:50,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608207536] [2024-11-28 03:41:50,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:50,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:41:51,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:41:51,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608207536] [2024-11-28 03:41:51,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608207536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:41:51,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:41:51,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:41:51,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749479021] [2024-11-28 03:41:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:41:51,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:41:51,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:41:51,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:41:51,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:41:51,253 INFO L87 Difference]: Start difference. First operand 2845 states and 4544 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:51,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:41:51,486 INFO L93 Difference]: Finished difference Result 7931 states and 12774 transitions. [2024-11-28 03:41:51,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:41:51,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 429 [2024-11-28 03:41:51,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:41:51,510 INFO L225 Difference]: With dead ends: 7931 [2024-11-28 03:41:51,511 INFO L226 Difference]: Without dead ends: 5113 [2024-11-28 03:41:51,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:41:51,517 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 292 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:41:51,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 888 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:41:51,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2024-11-28 03:41:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 4695. [2024-11-28 03:41:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4695 states, 4477 states have (on average 1.6216216216216217) internal successors, (7260), 4493 states have internal predecessors, (7260), 195 states have call successors, (195), 22 states have call predecessors, (195), 22 states have return successors, (195), 179 states have call predecessors, (195), 195 states have call successors, (195) [2024-11-28 03:41:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 7650 transitions. [2024-11-28 03:41:51,733 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 7650 transitions. Word has length 429 [2024-11-28 03:41:51,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:41:51,734 INFO L471 AbstractCegarLoop]: Abstraction has 4695 states and 7650 transitions. [2024-11-28 03:41:51,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:51,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 7650 transitions. [2024-11-28 03:41:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:51,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:51,752 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:51,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:41:51,752 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:51,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:51,753 INFO L85 PathProgramCache]: Analyzing trace with hash 643678708, now seen corresponding path program 1 times [2024-11-28 03:41:51,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:51,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716139249] [2024-11-28 03:41:51,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:51,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:41:53,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:41:53,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716139249] [2024-11-28 03:41:53,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716139249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:41:53,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:41:53,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:41:53,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386760441] [2024-11-28 03:41:53,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:41:53,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:41:53,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:41:53,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:41:53,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:41:53,078 INFO L87 Difference]: Start difference. First operand 4695 states and 7650 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:53,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:41:53,867 INFO L93 Difference]: Finished difference Result 16983 states and 27717 transitions. [2024-11-28 03:41:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:41:53,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 429 [2024-11-28 03:41:53,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:41:53,925 INFO L225 Difference]: With dead ends: 16983 [2024-11-28 03:41:53,925 INFO L226 Difference]: Without dead ends: 12315 [2024-11-28 03:41:53,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:41:53,933 INFO L435 NwaCegarLoop]: 573 mSDtfsCounter, 657 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:41:53,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1619 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:41:53,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12315 states. [2024-11-28 03:41:54,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12315 to 8643. [2024-11-28 03:41:54,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8643 states, 8361 states have (on average 1.639038392536778) internal successors, (13704), 8385 states have internal predecessors, (13704), 251 states have call successors, (251), 30 states have call predecessors, (251), 30 states have return successors, (251), 227 states have call predecessors, (251), 251 states have call successors, (251) [2024-11-28 03:41:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8643 states to 8643 states and 14206 transitions. [2024-11-28 03:41:54,327 INFO L78 Accepts]: Start accepts. Automaton has 8643 states and 14206 transitions. Word has length 429 [2024-11-28 03:41:54,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:41:54,329 INFO L471 AbstractCegarLoop]: Abstraction has 8643 states and 14206 transitions. [2024-11-28 03:41:54,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:41:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 8643 states and 14206 transitions. [2024-11-28 03:41:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:54,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:54,353 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:54,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:41:54,354 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:54,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:54,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1124758966, now seen corresponding path program 1 times [2024-11-28 03:41:54,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:54,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742635628] [2024-11-28 03:41:54,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:54,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:41:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:41:56,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:41:56,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742635628] [2024-11-28 03:41:56,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742635628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:41:56,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:41:56,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:41:56,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477441400] [2024-11-28 03:41:56,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:41:56,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:41:56,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:41:56,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:41:56,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:41:56,406 INFO L87 Difference]: Start difference. First operand 8643 states and 14206 transitions. Second operand has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-28 03:41:58,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:41:58,316 INFO L93 Difference]: Finished difference Result 28617 states and 46804 transitions. [2024-11-28 03:41:58,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:41:58,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 429 [2024-11-28 03:41:58,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:41:58,391 INFO L225 Difference]: With dead ends: 28617 [2024-11-28 03:41:58,391 INFO L226 Difference]: Without dead ends: 20001 [2024-11-28 03:41:58,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:41:58,407 INFO L435 NwaCegarLoop]: 529 mSDtfsCounter, 958 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:41:58,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 2192 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 03:41:58,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20001 states. [2024-11-28 03:41:58,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20001 to 17133. [2024-11-28 03:41:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17133 states, 16579 states have (on average 1.635502744435732) internal successors, (27115), 16626 states have internal predecessors, (27115), 494 states have call successors, (494), 59 states have call predecessors, (494), 59 states have return successors, (494), 447 states have call predecessors, (494), 494 states have call successors, (494) [2024-11-28 03:41:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17133 states to 17133 states and 28103 transitions. [2024-11-28 03:41:59,088 INFO L78 Accepts]: Start accepts. Automaton has 17133 states and 28103 transitions. Word has length 429 [2024-11-28 03:41:59,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:41:59,091 INFO L471 AbstractCegarLoop]: Abstraction has 17133 states and 28103 transitions. [2024-11-28 03:41:59,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 2 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2024-11-28 03:41:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 17133 states and 28103 transitions. [2024-11-28 03:41:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-28 03:41:59,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:41:59,113 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:41:59,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:41:59,115 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:41:59,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:41:59,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1151824568, now seen corresponding path program 1 times [2024-11-28 03:41:59,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:41:59,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477672340] [2024-11-28 03:41:59,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:41:59,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:41:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:42:00,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:42:00,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477672340] [2024-11-28 03:42:00,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477672340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:42:00,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:42:00,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:42:00,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976085819] [2024-11-28 03:42:00,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:42:00,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:42:00,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:42:00,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:42:00,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:42:00,905 INFO L87 Difference]: Start difference. First operand 17133 states and 28103 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:42:01,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:42:01,662 INFO L93 Difference]: Finished difference Result 34201 states and 56102 transitions. [2024-11-28 03:42:01,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:42:01,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 429 [2024-11-28 03:42:01,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:42:01,722 INFO L225 Difference]: With dead ends: 34201 [2024-11-28 03:42:01,723 INFO L226 Difference]: Without dead ends: 17095 [2024-11-28 03:42:01,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:42:01,749 INFO L435 NwaCegarLoop]: 713 mSDtfsCounter, 477 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:42:01,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1162 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:42:01,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17095 states. [2024-11-28 03:42:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17095 to 14801. [2024-11-28 03:42:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14801 states, 14451 states have (on average 1.6554563698013978) internal successors, (23923), 14474 states have internal predecessors, (23923), 310 states have call successors, (310), 39 states have call predecessors, (310), 39 states have return successors, (310), 287 states have call predecessors, (310), 310 states have call successors, (310) [2024-11-28 03:42:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14801 states to 14801 states and 24543 transitions. [2024-11-28 03:42:02,395 INFO L78 Accepts]: Start accepts. Automaton has 14801 states and 24543 transitions. Word has length 429 [2024-11-28 03:42:02,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:42:02,396 INFO L471 AbstractCegarLoop]: Abstraction has 14801 states and 24543 transitions. [2024-11-28 03:42:02,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:42:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 14801 states and 24543 transitions. [2024-11-28 03:42:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-28 03:42:02,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:42:02,418 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:42:02,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:42:02,419 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:42:02,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:02,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1953237118, now seen corresponding path program 1 times [2024-11-28 03:42:02,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:42:02,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815872819] [2024-11-28 03:42:02,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:02,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:07,764 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:42:07,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:42:07,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815872819] [2024-11-28 03:42:07,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815872819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:42:07,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599808832] [2024-11-28 03:42:07,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:07,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:42:07,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:07,768 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:42:07,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:42:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:08,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:42:08,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3798 proven. 27 refuted. 0 times theorem prover too weak. 3495 trivial. 0 not checked. [2024-11-28 03:42:09,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:42:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 153 proven. 27 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:42:09,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599808832] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:42:09,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:42:09,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2024-11-28 03:42:09,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256610690] [2024-11-28 03:42:09,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:42:09,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:42:09,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:42:09,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:42:09,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:42:09,763 INFO L87 Difference]: Start difference. First operand 14801 states and 24543 transitions. Second operand has 15 states, 15 states have (on average 14.8) internal successors, (222), 15 states have internal predecessors, (222), 6 states have call successors, (136), 3 states have call predecessors, (136), 6 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) [2024-11-28 03:42:11,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:42:11,299 INFO L93 Difference]: Finished difference Result 22753 states and 37540 transitions. [2024-11-28 03:42:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:42:11,301 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 14.8) internal successors, (222), 15 states have internal predecessors, (222), 6 states have call successors, (136), 3 states have call predecessors, (136), 6 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) Word has length 430 [2024-11-28 03:42:11,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:42:11,324 INFO L225 Difference]: With dead ends: 22753 [2024-11-28 03:42:11,324 INFO L226 Difference]: Without dead ends: 7979 [2024-11-28 03:42:11,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 852 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:42:11,342 INFO L435 NwaCegarLoop]: 374 mSDtfsCounter, 924 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:42:11,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [925 Valid, 1621 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 03:42:11,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7979 states. [2024-11-28 03:42:11,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7979 to 7827. [2024-11-28 03:42:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7827 states, 7545 states have (on average 1.6343273691186215) internal successors, (12331), 7555 states have internal predecessors, (12331), 230 states have call successors, (230), 51 states have call predecessors, (230), 51 states have return successors, (230), 220 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-28 03:42:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7827 states to 7827 states and 12791 transitions. [2024-11-28 03:42:11,676 INFO L78 Accepts]: Start accepts. Automaton has 7827 states and 12791 transitions. Word has length 430 [2024-11-28 03:42:11,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:42:11,678 INFO L471 AbstractCegarLoop]: Abstraction has 7827 states and 12791 transitions. [2024-11-28 03:42:11,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 14.8) internal successors, (222), 15 states have internal predecessors, (222), 6 states have call successors, (136), 3 states have call predecessors, (136), 6 states have return successors, (137), 6 states have call predecessors, (137), 6 states have call successors, (137) [2024-11-28 03:42:11,679 INFO L276 IsEmpty]: Start isEmpty. Operand 7827 states and 12791 transitions. [2024-11-28 03:42:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2024-11-28 03:42:11,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:42:11,689 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:42:11,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:42:11,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:42:11,891 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:42:11,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:11,892 INFO L85 PathProgramCache]: Analyzing trace with hash 258825756, now seen corresponding path program 1 times [2024-11-28 03:42:11,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:42:11,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648049794] [2024-11-28 03:42:11,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:11,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:42:12,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:42:12,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648049794] [2024-11-28 03:42:12,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648049794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:42:12,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:42:12,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:42:12,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365095152] [2024-11-28 03:42:12,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:42:12,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:42:12,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:42:12,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:42:12,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:42:12,814 INFO L87 Difference]: Start difference. First operand 7827 states and 12791 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:42:13,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:42:13,777 INFO L93 Difference]: Finished difference Result 29301 states and 48148 transitions. [2024-11-28 03:42:13,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:42:13,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 431 [2024-11-28 03:42:13,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:42:13,845 INFO L225 Difference]: With dead ends: 29301 [2024-11-28 03:42:13,846 INFO L226 Difference]: Without dead ends: 21477 [2024-11-28 03:42:13,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:42:13,867 INFO L435 NwaCegarLoop]: 656 mSDtfsCounter, 601 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:42:13,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1561 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:42:13,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21477 states. [2024-11-28 03:42:14,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21477 to 15649. [2024-11-28 03:42:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15649 states, 15086 states have (on average 1.6276017499668567) internal successors, (24554), 15106 states have internal predecessors, (24554), 460 states have call successors, (460), 102 states have call predecessors, (460), 102 states have return successors, (460), 440 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-28 03:42:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15649 states to 15649 states and 25474 transitions. [2024-11-28 03:42:14,629 INFO L78 Accepts]: Start accepts. Automaton has 15649 states and 25474 transitions. Word has length 431 [2024-11-28 03:42:14,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:42:14,630 INFO L471 AbstractCegarLoop]: Abstraction has 15649 states and 25474 transitions. [2024-11-28 03:42:14,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:42:14,630 INFO L276 IsEmpty]: Start isEmpty. Operand 15649 states and 25474 transitions. [2024-11-28 03:42:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-11-28 03:42:14,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:42:14,709 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:42:14,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:42:14,709 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:42:14,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:14,710 INFO L85 PathProgramCache]: Analyzing trace with hash 828940149, now seen corresponding path program 1 times [2024-11-28 03:42:14,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:42:14,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070894906] [2024-11-28 03:42:14,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:14,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:42:15,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:42:15,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070894906] [2024-11-28 03:42:15,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070894906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:42:15,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:42:15,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:42:15,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840439515] [2024-11-28 03:42:15,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:42:15,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:42:15,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:42:15,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:42:15,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:42:15,803 INFO L87 Difference]: Start difference. First operand 15649 states and 25474 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:42:16,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:42:16,420 INFO L93 Difference]: Finished difference Result 40293 states and 65706 transitions. [2024-11-28 03:42:16,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:42:16,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 432 [2024-11-28 03:42:16,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:42:16,493 INFO L225 Difference]: With dead ends: 40293 [2024-11-28 03:42:16,493 INFO L226 Difference]: Without dead ends: 24647 [2024-11-28 03:42:16,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:42:16,514 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 456 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:42:16,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1180 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:42:16,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24647 states. [2024-11-28 03:42:17,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24647 to 17633. [2024-11-28 03:42:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17633 states, 17070 states have (on average 1.6333919156414762) internal successors, (27882), 17090 states have internal predecessors, (27882), 460 states have call successors, (460), 102 states have call predecessors, (460), 102 states have return successors, (460), 440 states have call predecessors, (460), 460 states have call successors, (460) [2024-11-28 03:42:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17633 states to 17633 states and 28802 transitions. [2024-11-28 03:42:17,179 INFO L78 Accepts]: Start accepts. Automaton has 17633 states and 28802 transitions. Word has length 432 [2024-11-28 03:42:17,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:42:17,180 INFO L471 AbstractCegarLoop]: Abstraction has 17633 states and 28802 transitions. [2024-11-28 03:42:17,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:42:17,180 INFO L276 IsEmpty]: Start isEmpty. Operand 17633 states and 28802 transitions. [2024-11-28 03:42:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-11-28 03:42:17,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:42:17,202 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:42:17,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:42:17,203 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:42:17,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash 756553591, now seen corresponding path program 1 times [2024-11-28 03:42:17,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:42:17,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657086263] [2024-11-28 03:42:17,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 24 proven. 156 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:42:19,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:42:19,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657086263] [2024-11-28 03:42:19,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657086263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:42:19,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161656416] [2024-11-28 03:42:19,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:19,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:42:19,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:19,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:42:19,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:42:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:20,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:42:20,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 2080 proven. 150 refuted. 0 times theorem prover too weak. 5090 trivial. 0 not checked. [2024-11-28 03:42:21,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:42:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 30 proven. 150 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:42:22,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161656416] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:42:22,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:42:22,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-28 03:42:22,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747259973] [2024-11-28 03:42:22,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:42:22,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:42:22,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:42:22,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:42:22,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:42:22,245 INFO L87 Difference]: Start difference. First operand 17633 states and 28802 transitions. Second operand has 8 states, 8 states have (on average 24.375) internal successors, (195), 8 states have internal predecessors, (195), 3 states have call successors, (163), 2 states have call predecessors, (163), 4 states have return successors, (165), 3 states have call predecessors, (165), 3 states have call successors, (165) [2024-11-28 03:42:23,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:42:23,466 INFO L93 Difference]: Finished difference Result 25563 states and 41218 transitions. [2024-11-28 03:42:23,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:42:23,468 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.375) internal successors, (195), 8 states have internal predecessors, (195), 3 states have call successors, (163), 2 states have call predecessors, (163), 4 states have return successors, (165), 3 states have call predecessors, (165), 3 states have call successors, (165) Word has length 432 [2024-11-28 03:42:23,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:42:23,502 INFO L225 Difference]: With dead ends: 25563 [2024-11-28 03:42:23,502 INFO L226 Difference]: Without dead ends: 7933 [2024-11-28 03:42:23,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 861 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:42:23,524 INFO L435 NwaCegarLoop]: 395 mSDtfsCounter, 564 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:42:23,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1060 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:42:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2024-11-28 03:42:24,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7881. [2024-11-28 03:42:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7881 states, 7366 states have (on average 1.5620418137388) internal successors, (11506), 7378 states have internal predecessors, (11506), 396 states have call successors, (396), 118 states have call predecessors, (396), 118 states have return successors, (396), 384 states have call predecessors, (396), 396 states have call successors, (396) [2024-11-28 03:42:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7881 states to 7881 states and 12298 transitions. [2024-11-28 03:42:24,170 INFO L78 Accepts]: Start accepts. Automaton has 7881 states and 12298 transitions. Word has length 432 [2024-11-28 03:42:24,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:42:24,175 INFO L471 AbstractCegarLoop]: Abstraction has 7881 states and 12298 transitions. [2024-11-28 03:42:24,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.375) internal successors, (195), 8 states have internal predecessors, (195), 3 states have call successors, (163), 2 states have call predecessors, (163), 4 states have return successors, (165), 3 states have call predecessors, (165), 3 states have call successors, (165) [2024-11-28 03:42:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 7881 states and 12298 transitions. [2024-11-28 03:42:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2024-11-28 03:42:24,193 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:42:24,193 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:42:24,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:24,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:42:24,394 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:42:24,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1878960023, now seen corresponding path program 1 times [2024-11-28 03:42:24,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:42:24,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422063761] [2024-11-28 03:42:24,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:24,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 36 proven. 144 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:42:28,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:42:28,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422063761] [2024-11-28 03:42:28,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422063761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:42:28,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547629924] [2024-11-28 03:42:28,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:28,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:42:28,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:28,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:42:28,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:42:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:29,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:42:29,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 2388 proven. 144 refuted. 0 times theorem prover too weak. 4788 trivial. 0 not checked. [2024-11-28 03:42:30,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:42:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 36 proven. 144 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:42:31,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547629924] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:42:31,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:42:31,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 9] total 16 [2024-11-28 03:42:31,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962896791] [2024-11-28 03:42:31,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:42:31,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:42:31,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:42:31,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:42:31,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:42:31,477 INFO L87 Difference]: Start difference. First operand 7881 states and 12298 transitions. Second operand has 16 states, 16 states have (on average 10.5625) internal successors, (169), 16 states have internal predecessors, (169), 2 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2024-11-28 03:42:36,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:42:36,061 INFO L93 Difference]: Finished difference Result 22091 states and 34117 transitions. [2024-11-28 03:42:36,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-28 03:42:36,062 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.5625) internal successors, (169), 16 states have internal predecessors, (169), 2 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) Word has length 432 [2024-11-28 03:42:36,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:42:36,101 INFO L225 Difference]: With dead ends: 22091 [2024-11-28 03:42:36,102 INFO L226 Difference]: Without dead ends: 14213 [2024-11-28 03:42:36,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 906 GetRequests, 858 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=543, Invalid=1809, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 03:42:36,112 INFO L435 NwaCegarLoop]: 878 mSDtfsCounter, 1371 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 1676 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 2097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 1676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:42:36,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 3126 Invalid, 2097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 1676 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 03:42:36,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14213 states. [2024-11-28 03:42:36,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14213 to 13800. [2024-11-28 03:42:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13800 states, 12722 states have (on average 1.530105329350731) internal successors, (19466), 12747 states have internal predecessors, (19466), 816 states have call successors, (816), 261 states have call predecessors, (816), 261 states have return successors, (816), 791 states have call predecessors, (816), 816 states have call successors, (816) [2024-11-28 03:42:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13800 states to 13800 states and 21098 transitions. [2024-11-28 03:42:36,865 INFO L78 Accepts]: Start accepts. Automaton has 13800 states and 21098 transitions. Word has length 432 [2024-11-28 03:42:36,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:42:36,866 INFO L471 AbstractCegarLoop]: Abstraction has 13800 states and 21098 transitions. [2024-11-28 03:42:36,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.5625) internal successors, (169), 16 states have internal predecessors, (169), 2 states have call successors, (109), 2 states have call predecessors, (109), 4 states have return successors, (110), 2 states have call predecessors, (110), 2 states have call successors, (110) [2024-11-28 03:42:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand 13800 states and 21098 transitions. [2024-11-28 03:42:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-11-28 03:42:36,879 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:42:36,880 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:42:36,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:42:37,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 03:42:37,085 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:42:37,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:42:37,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1142310567, now seen corresponding path program 1 times [2024-11-28 03:42:37,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:42:37,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734038728] [2024-11-28 03:42:37,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:37,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:42:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 153 proven. 27 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:42:40,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:42:40,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734038728] [2024-11-28 03:42:40,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734038728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:42:40,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587866389] [2024-11-28 03:42:40,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:42:40,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:42:40,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:42:40,284 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:42:40,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:42:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:42:40,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:42:41,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:42:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 4598 proven. 210 refuted. 0 times theorem prover too weak. 2512 trivial. 0 not checked. [2024-11-28 03:42:43,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:42:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 225 proven. 132 refuted. 0 times theorem prover too weak. 6963 trivial. 0 not checked. [2024-11-28 03:42:44,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587866389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:42:44,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:42:44,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 15, 13] total 28 [2024-11-28 03:42:44,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652217273] [2024-11-28 03:42:44,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:42:44,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-28 03:42:44,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:42:44,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-28 03:42:44,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2024-11-28 03:42:44,897 INFO L87 Difference]: Start difference. First operand 13800 states and 21098 transitions. Second operand has 28 states, 27 states have (on average 11.925925925925926) internal successors, (322), 27 states have internal predecessors, (322), 8 states have call successors, (121), 4 states have call predecessors, (121), 8 states have return successors, (123), 7 states have call predecessors, (123), 8 states have call successors, (123) [2024-11-28 03:43:03,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:03,172 INFO L93 Difference]: Finished difference Result 75070 states and 113525 transitions. [2024-11-28 03:43:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-11-28 03:43:03,173 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 11.925925925925926) internal successors, (322), 27 states have internal predecessors, (322), 8 states have call successors, (121), 4 states have call predecessors, (121), 8 states have return successors, (123), 7 states have call predecessors, (123), 8 states have call successors, (123) Word has length 433 [2024-11-28 03:43:03,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:43:03,357 INFO L225 Difference]: With dead ends: 75070 [2024-11-28 03:43:03,357 INFO L226 Difference]: Without dead ends: 61348 [2024-11-28 03:43:03,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1014 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9618 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=5132, Invalid=19674, Unknown=0, NotChecked=0, Total=24806 [2024-11-28 03:43:03,387 INFO L435 NwaCegarLoop]: 810 mSDtfsCounter, 7277 mSDsluCounter, 3552 mSDsCounter, 0 mSdLazyCounter, 3899 mSolverCounterSat, 2915 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7277 SdHoareTripleChecker+Valid, 4362 SdHoareTripleChecker+Invalid, 6814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2915 IncrementalHoareTripleChecker+Valid, 3899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:43:03,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7277 Valid, 4362 Invalid, 6814 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2915 Valid, 3899 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-28 03:43:03,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61348 states. [2024-11-28 03:43:05,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61348 to 24631. [2024-11-28 03:43:05,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24631 states, 23343 states have (on average 1.580559482500107) internal successors, (36895), 23372 states have internal predecessors, (36895), 937 states have call successors, (937), 350 states have call predecessors, (937), 350 states have return successors, (937), 908 states have call predecessors, (937), 937 states have call successors, (937) [2024-11-28 03:43:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24631 states to 24631 states and 38769 transitions. [2024-11-28 03:43:06,021 INFO L78 Accepts]: Start accepts. Automaton has 24631 states and 38769 transitions. Word has length 433 [2024-11-28 03:43:06,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:43:06,022 INFO L471 AbstractCegarLoop]: Abstraction has 24631 states and 38769 transitions. [2024-11-28 03:43:06,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 11.925925925925926) internal successors, (322), 27 states have internal predecessors, (322), 8 states have call successors, (121), 4 states have call predecessors, (121), 8 states have return successors, (123), 7 states have call predecessors, (123), 8 states have call successors, (123) [2024-11-28 03:43:06,023 INFO L276 IsEmpty]: Start isEmpty. Operand 24631 states and 38769 transitions. [2024-11-28 03:43:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-11-28 03:43:06,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:43:06,043 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:43:06,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:43:06,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 03:43:06,248 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:43:06,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:06,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1706120857, now seen corresponding path program 1 times [2024-11-28 03:43:06,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:06,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407010307] [2024-11-28 03:43:06,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:06,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2024-11-28 03:43:15,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:15,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407010307] [2024-11-28 03:43:15,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407010307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:43:15,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:43:15,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 03:43:15,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843214019] [2024-11-28 03:43:15,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:43:15,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:43:15,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:15,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:43:15,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:43:15,532 INFO L87 Difference]: Start difference. First operand 24631 states and 38769 transitions. Second operand has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:43:33,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:43:33,983 INFO L93 Difference]: Finished difference Result 103729 states and 163733 transitions. [2024-11-28 03:43:33,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:43:33,983 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 433 [2024-11-28 03:43:33,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:43:34,203 INFO L225 Difference]: With dead ends: 103729 [2024-11-28 03:43:34,203 INFO L226 Difference]: Without dead ends: 90827 [2024-11-28 03:43:34,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:43:34,221 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 4217 mSDsluCounter, 2792 mSDsCounter, 0 mSdLazyCounter, 2903 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4217 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 3608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 2903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:43:34,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4217 Valid, 3328 Invalid, 3608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [705 Valid, 2903 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-28 03:43:34,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90827 states. [2024-11-28 03:43:37,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90827 to 44351. [2024-11-28 03:43:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44351 states, 42698 states have (on average 1.5933767389573281) internal successors, (68034), 42743 states have internal predecessors, (68034), 1177 states have call successors, (1177), 475 states have call predecessors, (1177), 475 states have return successors, (1177), 1132 states have call predecessors, (1177), 1177 states have call successors, (1177) [2024-11-28 03:43:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44351 states to 44351 states and 70388 transitions. [2024-11-28 03:43:37,262 INFO L78 Accepts]: Start accepts. Automaton has 44351 states and 70388 transitions. Word has length 433 [2024-11-28 03:43:37,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:43:37,263 INFO L471 AbstractCegarLoop]: Abstraction has 44351 states and 70388 transitions. [2024-11-28 03:43:37,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2024-11-28 03:43:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 44351 states and 70388 transitions. [2024-11-28 03:43:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2024-11-28 03:43:37,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:43:37,288 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:43:37,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:43:37,288 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:43:37,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:37,289 INFO L85 PathProgramCache]: Analyzing trace with hash 665618405, now seen corresponding path program 1 times [2024-11-28 03:43:37,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:37,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908753767] [2024-11-28 03:43:37,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:37,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 72 proven. 108 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:43:44,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:44,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908753767] [2024-11-28 03:43:44,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908753767] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:43:44,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742482948] [2024-11-28 03:43:44,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:43:44,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:43:44,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:44,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:43:44,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa25dff1-1957-4513-be89-7d5b55e24f0f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:43:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:43:45,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 03:43:45,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 4541 proven. 294 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2024-11-28 03:43:50,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:43:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2024-11-28 03:43:52,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742482948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:43:52,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:43:52,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 10] total 40 [2024-11-28 03:43:52,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528852893] [2024-11-28 03:43:52,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:43:52,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-28 03:43:52,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:52,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-28 03:43:52,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1395, Unknown=0, NotChecked=0, Total=1560 [2024-11-28 03:43:52,569 INFO L87 Difference]: Start difference. First operand 44351 states and 70388 transitions. Second operand has 40 states, 39 states have (on average 9.076923076923077) internal successors, (354), 39 states have internal predecessors, (354), 9 states have call successors, (164), 4 states have call predecessors, (164), 7 states have return successors, (165), 8 states have call predecessors, (165), 9 states have call successors, (165) [2024-11-28 03:44:02,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:09,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:11,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:15,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:16,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:22,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:24,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:36,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:40,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:45,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:50,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:54,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:44:59,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:04,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:14,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:20,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:25,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:29,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:35,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:39,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:40,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:47,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:51,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:45:56,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:00,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:02,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:06,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:11,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:15,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:20,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:25,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:29,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:33,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:35,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:41,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:45,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:49,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:52,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:46:57,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:47:16,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:47:58,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:03,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:19,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:22,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:28,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:41,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:45,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:49,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:52,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:48:56,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:01,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:05,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:09,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:13,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:17,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:21,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:35,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:39,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:42,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:51,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:49:57,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:50:01,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:50:03,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:50:07,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:50:11,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:50:15,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:54:30,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:54:34,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:54:37,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:55:14,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:55:18,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:55:22,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]